Skip to content

Blog Entries

Welcome! This page lists all my technical articles, notes, and findings.

Subscribe via RSS

Here are the latest entries:

  • 3 min read

From Many to One: The Polytheistic Roots of Ancient Israel

The common modern understanding of ancient Israelite religion is that it was always monotheistic—a unique, island of single-deity worship in a sea of Canaanite and Egyptian polytheism. However, the archaeological and even the biblical evidence tells a far more complex and fascinating story. The move to monotheism was not a sudden revelation, but a centuries-long, often contested transition from a rich polytheistic background.

The Canaanite Context

Early Israelite culture was deeply embedded in the broader Canaanite milieu. In the early Iron Age (c. 1200–1000 BCE), there is little archaeological distinction between the religious practices of early Israelites and their neighbors. The pantheon was headed by El, the father of the gods, and his consort Asherah.

Evidence for this can be seen in the very name of the people: Israel (Yisra-El), which invokes the high god El, not Yahweh. In early traditions, Yahweh appears to have been a separate deity—perhaps a storm or war god from the south (Midian or Edom)—who was later fused with El as the tribes coalesced into a single nation.

Archaeological Evidence: Yahweh and His Asherah

One of the most significant archaeological discoveries in recent decades came from Kuntillet Ajrud (in the Sinai) and Khirbet el-Qom (near Hebron). These sites, dating to the 8th century BCE, yielded inscriptions that explicitly mention "Yahweh and his Asherah."

  • Kuntillet Ajrud: A storage jar (pithos) found here contains a drawing of two figures with the inscription: "I bless you by Yahweh of Samaria and by his Asherah."
  • Khirbet el-Qom: An inscription in a tomb reads: "Blessed be Uriyahu by Yahweh and by his Asherah; from his enemies he saved him."

These findings strongly suggest that for many ancient Israelites, Yahweh was not a solitary deity but had a wife or consort, a practice consistent with other Semitic religions of the time.

Textual Evidence within the Bible

While the Hebrew Bible was edited later by monotheistic reformers (the Deuteronomists), traces of the earlier polytheistic worldview remain.

The Elohim and the Council of El

The Hebrew word for God, Elohim, is grammatically plural. While often used with a singular verb, its roots lie in the concept of a "family" or "assembly" of gods. Psalm 82 is a stark example:

"God [Elohim] has taken his place in the divine council; in the midst of the gods [elohim] he holds judgment."

This describes a scene where one god stands up within a council of other deities—a classic polytheistic motif.

From Henotheism to Monotheism

The transition was gradual. It moved through a stage called henotheism or monolatry—the worship of one god while acknowledging the existence of others. This is why the First Commandment is not "There are no other gods," but rather "You shall have no other gods before me." It assumes other gods exist but demands exclusive loyalty to Yahweh for the people of Israel.

The Shift: Crisis and Reform

The push toward true monotheism—the belief that only one God exists and all others are illusions—accelerated during the religious reforms of King Josiah (late 7th century BCE) and reached its peak during the Babylonian Exile (6th century BCE).

Faced with the destruction of their Temple and the loss of their land, the Israelites had to reconcile their defeat. Rather than concluding that their god had been defeated by the gods of Babylon, the prophets (particularly Second Isaiah) argued that Yahweh was the only god, and that the Babylonians were merely his tools for punishing Israel. This theological leap transformed a national cult into a universal, monotheistic religion.

Conclusion

Understanding the polytheistic roots of ancient Israel doesn't diminish the history of the faith; rather, it provides a more human and historical perspective on how religious ideas evolve. Monotheism was not a pre-packaged starting point, but a hard-won theological destination reached through centuries of cultural synthesis, archaeological shifts, and historical trauma.

  • 4 min read

Why Known Liars Making a Claim Actually Reduces Its Probability: A Bayesian Explanation

The Intuition

Most people think that if someone makes a claim, it should at least slightly increase our belief that the claim is true - after all, why would they say it if it weren't true? But Bayes' theorem shows us something counterintuitive: if the person making the claim is a known liar, their assertion can actually make the claim less likely to be true than it was before they opened their mouth.

A Quick Refresher on Bayes' Theorem

Bayes' theorem tells us how to update our beliefs when we receive new evidence:

P(A|B) = P(B|A) * P(A) / P(B)

Where:

  • P(A|B) is the probability of A being true, given that we observed B
  • P(B|A) is the probability of observing B if A were true
  • P(A) is our prior probability of A being true
  • P(B) is the overall probability of observing B

Setting Up the Problem

Let's say there's a claim C, and a known liar L asserts that C is true.

We need to figure out:

  • P(C) - our prior belief that C is true before the liar speaks. Let's say 50% (we have no idea).
  • P(L says C | C is true) - the probability the liar would assert C if C were actually true.
  • P(L says C | C is false) - the probability the liar would assert C if C were actually false.

Here's the key insight: a known liar is someone who is more likely to say things that are false than things that are true. So:

  • P(L says C | C is true) = 0.2 (a liar rarely tells the truth)
  • P(L says C | C is false) = 0.8 (a liar usually lies)

Running the Numbers

We want P(C is true | L says C).

First, compute P(L says C):

P(L says C) = P(L says C | C is true) * P(C) + P(L says C | C is false) * P(not C)
            = 0.2 * 0.5 + 0.8 * 0.5
            = 0.1 + 0.4
            = 0.5

Now apply Bayes' theorem:

P(C is true | L says C) = P(L says C | C is true) * P(C) / P(L says C)
                         = 0.2 * 0.5 / 0.5
                         = 0.2

We started with a 50% belief that C was true. After the known liar asserted C, our belief dropped to 20%. The liar's endorsement is actually evidence against the claim.

Why This Matters

This result has profound real-world implications:

Propaganda and Disinformation

When a source with an established track record of lying makes a claim, rational observers should treat that claim with more skepticism than they had before, not less. The claim is tainted by its source. This is not an ad hominem fallacy - it is correct probabilistic reasoning.

The Inverse is Equally Useful

If a known liar denies something, that denial is actually evidence for the thing being true. If an authoritarian regime denies committing atrocities, and that regime has a strong track record of lying, the denial should increase your belief that the atrocities occurred.

Stacking Liars Does Not Help

If multiple known liars independently assert the same claim, each additional liar's assertion further reduces the probability. Ten liars all saying the same thing is not reinforcement - it is ten pieces of evidence pointing away from the claim. This assumes their assertions are independent; if they're coordinating, it's essentially one assertion from one source.

Religious Texts and Religious Claims

This reasoning applies directly to religious texts and claims made by religious figures. Religious texts such as the Bible, the Quran, and others contain numerous claims that have been demonstrably shown to be false: the age of the earth, the global flood, the creation narrative, the sun standing still, and many more. These texts have, by any empirical standard, an extremely poor track record of making true claims about the physical world.

Now consider what happens when these same texts make unfalsifiable claims - the existence of God, an afterlife, a soul, divine purpose, or miracles that conveniently left no trace. A naive observer might say "well, we can't disprove those claims." But Bayes' theorem tells us something stronger: the very fact that a source with such a poor track record is the one making these claims is evidence against them. If the Bible gets geology, biology, cosmology, and history wrong repeatedly, its assertions about metaphysics deserve less credence, not a free pass simply because they are unfalsifiable.

The same applies to religious authorities. A priest, rabbi, or imam who makes verifiably false claims - about history, science, or even the contents of their own texts - establishes themselves as an unreliable source. When that same person then asserts the existence of God or the truth of their theology, Bayes' theorem tells us their assertion should lower our posterior probability, not raise it. The more such unreliable sources pile on to the same claim, the worse it gets - as we saw with stacking liars above.

This is not a proof that God does not exist. It is a mathematical observation that the primary sources making the claim have disqualified themselves as evidence for that claim. If your best witnesses are known liars, calling them to the stand hurts your case.

Trust is Information-Theoretic

This analysis shows that trust is not just a social nicety - it has rigorous mathematical consequences. A source's reliability directly determines whether their statements function as evidence for or against their claims. A perfectly reliable source's assertions would push your belief toward 100%. A perfectly unreliable source's assertions push your belief toward 0%. And a source that is right exactly half the time? Their statements carry zero information - you can ignore them entirely.

The Takeaway

Bayes' theorem formalizes what many people intuitively sense but struggle to articulate: the credibility of a source matters just as much as the content of their claim. Known liars asserting something is true is, mathematically speaking, evidence that it is false. The next time someone with a track record of dishonesty makes a bold claim, remember: their very act of claiming it has made it less likely to be true.

  • 2 min read

The Evolution of the Immortal Soul

The belief that every human possesses an immortal, immaterial soul that survives death and goes to heaven (or hell) is the cornerstone of modern Christian hope. Most believers assume this has always been the biblical view. However, a careful reading of the Hebrew Bible reveals that the ancient Israelites had no concept of an immortal soul. Their view of humanity was far more physical, and the idea of "heaven" as a destination for the dead was a much later Greek import.

The Hebrew View: Nephesh vs. Soul

In the Hebrew Bible, the word most commonly translated as "soul" is nephesh. But to a 1st-millennium BCE Israelite, nephesh didn't mean an immaterial ghost living inside a body. It meant "breath," "throat," or "living being."

In Genesis 2:7, when God breathes into Adam, the text says man "became a living nephesh." He didn't receive a soul; he became a soul. When a person died, their nephesh didn't go anywhere; it simply ceased to exist as the breath left the body. The dead were thought to go to Sheol—a dark, silent "pit" or underworld where all people, righteous and wicked alike, faded into a shadow-like, unconscious existence.

The Original Hope: Resurrection of the Body

Because they viewed the person as an integrated physical being, the earliest Jewish hope for the future was not an escape of the soul to heaven, but a physical resurrection of the body on a transformed earth.

This is why the New Testament emphasizes the "resurrection of the flesh." The early Christians weren't waiting to "go to heaven"; they were waiting for God to bring heaven down to earth and restore their physical bodies. The idea that you leave your body behind forever would have been offensive to an early Jewish believer.

The Greek Import: Plato and the Psyche

The concept of the "immortal soul" came from the West, not the East. It was Greek philosophy, particularly the work of Plato, that popularized the idea that the body is a "prison" and the psyche (soul) is the true, immortal essence of the person.

As the early Christian movement moved out of its Jewish context and into the broader Greco-Roman world, it began to synthesize its teachings with Platonic thought. Over centuries, the Jewish hope of bodily resurrection was slowly replaced by the Greek hope of an immortal soul.

Conclusion

The "soul" as we know it is a theological hybrid. It is the result of ancient near-eastern biology being overwritten by classical Greek philosophy. By reclaiming the historical context of these terms, we can see that the modern religious focus on an immaterial afterlife is not a "revelation" from the Bible, but a cultural evolution that would have been unrecognizable to the authors of the Old Testament.

  • 3 min read

The Exodus: Foundation Myth or Historical Fact?

The story of the Exodus—the mass departure of Israelites from Egypt, their forty-year wandering in the Sinai, and their eventual conquest of Canaan—is the central narrative of the Hebrew Bible. It is a powerful story of liberation and divine intervention. However, for over a century, archaeologists and historians have searched for evidence of this event, and the results have led to a startling consensus: the Exodus, as described in the Bible, almost certainly never happened.

The Silence of the Sinai

If two to three million people (as implied by the biblical count of 600,000 men) wandered through the Sinai Peninsula for forty years, they would have left a massive archaeological footprint. Even small groups of nomadic Bedouin from that era have left traces of campsites, pottery shards, and animal remains.

Despite decades of intensive archaeological surveys across the Sinai, not a single piece of evidence from the 13th century BCE (the traditional period for the Exodus) has been found that correlates with a mass migration. There are no encampments, no graves, and no artifacts that point to a large population moving through the desert.

The Silence of Egypt

Ancient Egypt was a highly bureaucratic society that kept meticulous records of its borders, its slaves, and its military campaigns. The New Kingdom period (c. 1550–1070 BCE), during which the Exodus is usually set, is one of the best-documented eras in Egyptian history.

Yet, there is no mention in any Egyptian text of a mass escape of slaves, a series of devastating plagues, or the drowning of an army in the sea. While it is argued that Egyptians might not record their defeats, the total absence of even an indirect reference to such a massive economic and social disruption is telling.

Canaan was Egypt

One of the most significant historical problems with the Exodus narrative is the destination. In the 13th century BCE, the land of Canaan was not an independent territory waiting to be conquered; it was an Egyptian province.

The Egyptian Empire maintained strongholds, administrative centers, and tax collection systems throughout Canaan during the reigns of Seti I and Ramesses II. For the Israelites to "escape" Egypt only to enter Canaan would be like escaping a prison cell only to walk into the prison yard. They would still have been under the direct control of the Pharaoh.

The Real Origin of the Israelites

If they didn't come from Egypt, where did the Israelites come from? Archaeological evidence now strongly suggests that the Israelites were actually indigenous Canaanites.

Beginning around 1200 BCE, we see the emergence of hundreds of small, simple agricultural settlements in the central highlands of Canaan. The material culture of these settlements—their pottery, their house designs, and their tools—is a direct evolution of the earlier Canaanite culture. The Israelites didn't "conquer" the land from the outside; they emerged from within the local population, likely as a group of pastoralists and farmers who developed a distinct social and religious identity over time.

Anachronisms in the Text

The text of the Exodus itself contains details that point to a much later composition. It mentions the "Philistines," who did not arrive in the region until after 1200 BCE, and the "land of Goshen," a name that only appears in Egyptian records centuries after the purported event. These details suggest the story was written or finalized during the 7th or 6th centuries BCE—hundreds of years after it supposedly took place—reflecting the world of the writers rather than the era of the characters.

Conclusion: A National Epic

The lack of historical evidence for the Exodus does not mean the story is "worthless." Rather, it shifts our understanding of it from a history book to a national foundation myth. Like the stories of Romulus and Remus for Rome or King Arthur for Britain, the Exodus served to unite a diverse group of people under a shared identity and a common destiny. It is a masterpiece of literature and theology, designed to provide hope and meaning to a nation, even if its roots are found in the highlands of Canaan rather than the Nile Delta.

  • 2 min read

The "God of the Gaps" and Scientific Progress

Throughout human history, "God" has been the name we give to the things we do not understand. When we lacked a natural explanation for a phenomenon, we defaulted to a supernatural one. This is known as the "God of the Gaps" theology. The problem for religion, however, is that as science advances, those gaps have a persistent habit of closing, leaving God with less and less to do.

The Shrinking Realm of the Divine

There was a time when almost every aspect of the natural world was attributed to direct divine intervention.

  • Meteorology: Lightning was the bolt of Zeus or the anger of Yahweh. We now understand it as an electrostatic discharge caused by the movement of ice and water in clouds.
  • Medicine: Plagues and mental illnesses were seen as divine punishments or demonic possessions. Today, we have germ theory, genetics, and neurology. We don't pray away a staph infection; we use antibiotics.
  • Cosmology: The sun was a chariot driven across the sky. We now understand planetary orbits, stellar fusion, and the vastness of the expanding universe.

The Ultimate Gap: Origins

In the 19th century, the "ultimate" gap was the complexity of life. It seemed impossible that such intricate systems could arise without a designer. Charles Darwin closed this gap by demonstrating that natural selection could produce complexity over vast timescales without any foresight or purpose.

Today, the remaining gaps are often found in the most extreme frontiers of science: the first millisecond of the Big Bang, the transition from chemistry to biology (abiogenesis), or the "hard problem" of consciousness. But if history is any guide, there is no reason to assume these gaps require a supernatural filler. They are simply unanswered questions awaiting a naturalistic discovery.

The Problem of a Falsifiable God

The danger for religion is that by tying the existence of God to our current ignorance, they make God's existence a "falsifiable" claim. Every time a scientist publishes a paper, the "God of the Gaps" gets a little smaller.

A God who only exists where science has not yet looked is a God in permanent retreat. If the divine is only found in the unknown, then knowledge becomes the enemy of faith.

Conclusion

Science does not claim to know everything, but it has a proven track record of finding natural answers to previously "supernatural" mysteries. The "God of the Gaps" is a placeholder for ignorance. As our understanding of the universe grows, the need for a supernatural "prime mover" becomes increasingly redundant. We no longer live in a haunted world; we live in a physical one.

  • 2 min read

The Mesopotamian Roots of the Flood Myth

The story of Noah and the Great Flood is one of the most recognizable narratives in the world. For many, it is a unique account of divine judgment and mercy. However, to historians and Assyriologists, the biblical flood story is not an original work but a sophisticated adaptation of much older Mesopotamian traditions.

The Earlier Versions: Atrahasis and Gilgamesh

Centuries before the Book of Genesis was compiled, the civilizations of Sumer, Akkad, and Babylon were already telling the story of a great deluge.

  • The Atrahasis Epic (c. 18th century BCE): This Akkadian epic explains that the gods decided to wipe out humanity because their "noise" was keeping the gods from sleeping. The god Enki, however, warns the hero Atrahasis to build a boat.
  • The Epic of Gilgamesh (Tablet XI, c. 12th century BCE): In the most famous version, the hero Gilgamesh meets Utnapishtim, the "Mesopotamian Noah," who tells the story of how he survived the flood and was granted immortality.

Striking Similarities

The parallels between the Genesis account and the Epic of Gilgamesh are too precise to be coincidental.

  1. The Divine Warning: In both stories, a deity warns a chosen individual of a coming flood and instructs him to build a massive vessel.
  2. The Boat's Contents: Both heroes are told to bring their families, "the seed of all living creatures," and craftsmen onto the boat.
  3. The Seven Days: In both accounts, the storm lasts for a specific period (though the exact number varies), after which the boat comes to rest on a mountain (Mount Nimush in Gilgamesh, Mount Ararat in Genesis).
  4. The Birds: To check if the water has receded, both heroes release birds. Utnapishtim sends a dove, a swallow, and a raven; Noah sends a raven and a dove.
  5. The Sacrifice: Upon exiting the boat, both heroes offer a sacrifice. In Gilgamesh, the hungry gods "gathered like flies" over the smoke, while in Genesis, "the Lord smelled the soothing aroma."

Theological Evolution

While the plot remains almost identical, the intent of the story shifted significantly as it entered Hebrew thought. In the Mesopotamian versions, the flood is often triggered by the capricious whims or annoyance of a group of squabbling gods. The Hebrew writers transformed this into a moral drama: the flood was a response to human "wickedness" and a demonstration of the justice and covenantal mercy of a single, sovereign God.

Conclusion

The discovery of the Gilgamesh tablets in the 19th century revolutionized our understanding of the Bible. It showed that the writers of Genesis were part of a broader Near Eastern literary culture. They didn't invent the flood; they "re-mythologized" a common regional tradition to serve their own evolving monotheistic theology.

  • 2 min read

The Morality of the "Ban"

The Book of Joshua is often read as a heroic tale of a nation claiming its promised land. But beneath the Sunday school versions of "Joshua Fit the Battle of Jericho" lies one of the most ethically disturbing concepts in religious literature: the Herem, or "The Ban."

What is the Herem?

The Herem was a divine mandate for total annihilation. According to the text, when the Israelites entered a city under the ban, they were commanded to "completely destroy" everything that breathed.

In Joshua 6:21, describing the fall of Jericho, the text is explicit:

"They devoted the city to the Lord and destroyed with the sword every living thing in it—men and women, young and old, cattle, sheep and donkeys."

This was not just a military conquest; it was a religious ritual. The inhabitants were not killed for tactical reasons, but as a sacrifice to Yahweh. The "moral" failure, according to the Bible, was not the killing of children, but the occasional failure of an Israelite soldier to kill every child or to keep some of the loot for himself.

The Modern Comparison: Genocide

If these events were described in any other context, we would call them by their modern name: genocide. The targeted, systematic destruction of an entire ethnic group, including non-combatants and livestock, meets every international definition of a war crime and a crime against humanity.

Theological apologists often try to justify this by claiming the Canaanites were "wicked" or that the commands were "of their time." But this creates a profound moral paradox: if a command to slaughter infants can be called "good" simply because a god ordered it, then "good" has no meaning.

Textual Reality vs. Historical Fact

There is a silver lining to this dark narrative: archaeological evidence strongly suggests that the mass slaughter described in Joshua never actually happened. As we discussed in our post on the origins of the Israelites, the transition into the highlands was likely gradual and largely internal to Canaan. There is no evidence of a widespread, systemic destruction of cities in the 13th century BCE.

The story of the Herem was likely written centuries later, during a period of intense religious nationalism, as a way to "cleanse" the identity of the people by retroactively creating a hard, violent boundary between themselves and their "polluting" Canaanite ancestors.

Conclusion

The Herem remains a stain on the moral character of the biblical text. Whether or not it happened, the fact that such a command was attributed to the Creator of the Universe reveals the dangerous lengths to which religious nationalism can go. It serves as a reminder that when humans claim to have a divine mandate for violence, the first casualty is always our shared human morality.

  • 2 min read

The Silence of Contemporaries on Jesus

If the accounts of the New Testament are historically accurate, Jesus of Nazareth was a figure of immense regional impact. He reportedly drew crowds of thousands, performed public miracles that baffled the authorities, and was executed in a high-profile trial that involved both the Jewish Sanhedrin and the Roman governor. Yet, when we look at the secular records of the 1st century, there is a profound and deafening silence.

The Missing Witnesses

During the purported life and immediate aftermath of Jesus, several highly literate and observant historians were active in the region. Their silence is one of the most significant challenges to the traditional historical narrative.

Philo of Alexandria (c. 20 BCE – 50 CE)

Philo was the most important Jewish philosopher of his time. He lived in Alexandria but frequently visited Jerusalem and had close family ties to the Judean aristocracy. He wrote extensively on Jewish history, law, and contemporary events, including the actions of Pontius Pilate. Yet, in all his tens of thousands of words, he never mentions a wonder-working rabbi named Jesus or the movement he supposedly started.

Seneca the Younger (c. 4 BCE – 65 CE)

A Roman Stoic philosopher and statesman, Seneca wrote on a wide range of topics, including ethics, natural phenomena, and religion. He was deeply interested in new religious movements and "superstitions." Despite living during the height of the early Christian expansion, he makes no mention of the Christians or their founder.

The Problem of Josephus

The most famous "early" reference to Jesus is found in the Antiquities of the Jews by Flavius Josephus (written c. 93 CE). The passage, known as the Testimonium Flavianum, describes Jesus as a "wise man" and "the Christ" who rose from the dead.

However, almost all modern scholars agree that this passage was heavily edited or entirely forged by later Christian scribes. The language is uncharacteristically Christian, and the passage interrupts the flow of Josephus's own narrative. When the obviously forged parts are removed, we are left with, at best, a brief mention of a man named Jesus—written sixty years after the fact.

Why Does It Matter?

Apologists often argue that "history is written by the winners" or that Jesus was just a "minor peasant." But the Gospels claim he was anything but minor. They claim he was a figure whose presence shook the very foundations of Roman Judea.

The total absence of contemporary secular evidence suggests that either Jesus did not exist, or—more likely—that the real historical figure was so vastly different from the legendary "Christ of Faith" that he failed to register on the radar of the great thinkers of his day. The Jesus of the Gospels appears to be a literary creation that grew in the telling, long after those who could have fact-checked the story were gone.

  • 2 min read

The Invention of Satan

In modern Christianity, Satan is the ultimate personification of evil—a rebel angel who fell from heaven and now rules a kingdom of darkness. However, this character is almost entirely absent from the early Hebrew Bible. The "Satan" we know today is not a biblical original, but a late invention influenced by foreign cultures and shifting political anxieties.

Satan as a Title, Not a Name

In the earliest parts of the Hebrew Bible, the word satan is not a proper name. It is a common noun meaning "adversary" or "accuser." It can refer to a human enemy (1 Kings 11:14) or a divine functionary.

In the Book of Job, ha-satan ("The Accuser") appears as a member of God’s own heavenly council. He is not God’s enemy; he is God’s "prosecuting attorney." His job is to wander the earth and test the loyalty of humans. He acts with God's permission and for God's purposes. He is a servant of the divine, not a rebel against it.

The Persian Connection

The shift from "divine servant" to "cosmic enemy" began during the Persian period (539–332 BCE). During the Babylonian Exile and its aftermath, the Israelites came into close contact with Zoroastrianism, the state religion of Persia.

Zoroastrianism was a deeply dualistic religion that viewed the universe as a battlefield between Ahura Mazda (the god of light and truth) and Angra Mainyu (or Ahriman, the spirit of darkness and lies). This dualism provided a powerful new answer to the problem of evil: if God is good, there must be a nearly equal and opposite power responsible for suffering.

The Apocalyptic Turn

During the Second Temple period (c. 200 BCE–100 CE), Jewish "apocalyptic" literature began to flourish. In works like the Book of Enoch and the Jubilees, the figure of the adversary became more personified and malicious.

As Israel suffered under Greek and then Roman occupation, the "adversary" was no longer just a heavenly tester; he became the spiritual leader behind the oppressive foreign empires. By the time the New Testament was written, this process was complete. Satan had been transformed into the "Prince of this World," a cosmic rebel whose defeat was the primary goal of the Messiah.

Conclusion

Satan is a historical composite. He began as a functional title in a monotheistic system that attributed both good and evil to God. Through cultural synthesis with Persian dualism and the desperate hopes of an occupied people, he evolved into the independent source of evil we recognize today. The "devil" wasn't there from the beginning; he was drafted into the story to solve a theological crisis.

  • 5 min read

Not Knowing the Probability Is Not the Same as 50/50

The Common Mistake

"I don't know whether X is true, so it's probably 50/50."

You've heard this. Maybe you've said it. It feels like humility — after all, if you don't know, isn't that the honest middle ground? But this reasoning is wrong, and it's worth understanding precisely why, because the mistake has consequences everywhere from everyday decisions to medicine, law, and science.

Not knowing the probability of an outcome is a statement about your knowledge. A 50/50 probability is a statement about the world. These are not the same thing.

What 50/50 Actually Means

A 50/50 probability means you have positive evidence that two outcomes are equally likely. A fair coin is 50/50 not because we're ignorant about which side will land up — it's because the physical symmetry of the coin, the mechanics of flipping, and extensive empirical trials all point to equal probability. The 50/50 is earned.

When you say "I don't know, so 50/50," you are importing a specific quantitative claim — equal likelihood — without any justification for it. You are disguising ignorance as knowledge.

The Principle of Indifference (and Its Limits)

There is a real principle in probability theory called the Principle of Indifference (or Principle of Insufficient Reason, attributed to Laplace): if you have no reason to prefer one outcome over another, assign them equal probability.

This is a useful starting point, but it has well-known failure modes:

  1. It is sensitive to how you carve up the possibility space. Is the question "will it rain or not?" (2 outcomes → 50/50?) or "will it rain lightly, rain heavily, or not rain?" (3 outcomes → 33% each?). The same state of ignorance produces different numbers depending on how you frame the question. That is a warning sign.

  2. It ignores base rates. Even in the absence of specific information about a case, we usually have general information. Most diseases are rare. Most startups fail. Most extraordinary claims are false. Assigning 50/50 to "does this patient have this disease" ignores the prior probability that any given patient has it — which may be 1 in 10,000.

  3. It conflates lack of evidence with evidence of equality. The absence of a reason to prefer A over B is not the same as a positive reason to believe A and B are equally likely.

A Concrete Example

Suppose someone asks: "Is there life on the planet Kepler-452b?"

You might say: "I have no idea — so maybe 50/50."

But consider what 50/50 implies: out of all the star systems we might examine, half contain life. That is a very specific and very strong claim. In reality, we have strong reasons — from the rarity of life's prerequisites and the difficulty of abiogenesis — to believe the prior probability of life on any given planet is quite low, even if not precisely known.

"I don't know" should translate to a distribution over possible probabilities, centered perhaps on a low value, not to a confident assignment of 50%.

The Right Response to Ignorance

When you genuinely don't know the probability of something, the honest response is to say exactly that — and then try to update based on whatever indirect evidence is available:

  • Base rates: How often does this kind of thing happen in general?
  • Reference classes: What do similar cases look like?
  • Asymmetric consequences: If one outcome is much less likely by nature (e.g., rare diseases, extraordinary events), the prior should reflect that.
  • Domain expertise: What do people who study this domain believe?

Saying "I don't know" and then acting as if 50/50 is your best guess is often worse than admitting you don't know and acting with appropriate caution.

Why This Matters in Practice

Medical Diagnosis

A doctor who says "I don't know if this patient has cancer, so let's call it 50/50" would be committing malpractice. The correct approach is to start from the base rate of that cancer in the relevant population and update based on symptoms and test results. Ignoring prior probabilities is a known cognitive bias called base rate neglect.

"Either the defendant did it or they didn't — 50/50" is a misunderstanding of both probability and the purpose of evidence. The prior probability of any given individual committing a specific crime is very low. Evidence must be evaluated against that baseline, not against a manufactured coin flip.

Extraordinary Claims

"Either bigfoot exists or it doesn't — 50/50." This conflates metaphysical possibility with epistemic probability. Many things are possible without being likely. The prior probability of a large undiscovered primate in densely surveilled North America is not 50%. It is very low, and extraordinary evidence would be required to move it.

"God exists or doesn't — 50/50"

This is perhaps the most common application of this mistake. The lack of a definitive disproof of God's existence is not the same as a 50% probability that God exists. The prior probability of any specific, interventionist, prayer-answering deity — as opposed to the infinite space of other possible metaphysical arrangements — is not self-evidently 50%. Saying "I don't know, so it's a coin flip" is asserting something very specific under the guise of open-mindedness.

Calibrated Uncertainty

The goal of good probabilistic reasoning is calibration: your stated probabilities should match your actual frequencies of being right over time. A well-calibrated person who says "70% confident" should be right about 70% of the time on such claims.

Defaulting to 50/50 whenever you're uncertain will make you systematically overconfident about rare events and systematically underconfident about common ones. It is not a neutral stance. It is a specific, often wrong, quantitative claim dressed up as intellectual humility.

The Takeaway

True epistemic humility is not "I'll call it 50/50." It is:

  • "I don't know the exact probability."
  • "My best estimate, given base rates and available evidence, is somewhere around X."
  • "I should seek more information before making high-stakes decisions."

Uncertainty about a probability is not a probability. The next time someone defaults to 50/50 because they "just don't know," ask them why exactly equal likelihood is their best guess — and watch what happens.