Plato: Laws — The Lawgiver Who Almost Saw: Plato’s Laws and the God Who Writes on Hearts

Three old men are walking. It is a long summer day on Crete, the road runs from Knossos toward the cave of Zeus on Mount Ida, and by the time they arrive they will have designed, clause by clause, an entire city’s law code. This is how Plato’s last and longest dialogue begins, and it is worth pausing on the image before you go any further. No dramatic crisis, no courtroom, no death sentence hanging over the conversation as it does in the Apology. Just three elderly men, unhurried, talking about what law is for. You are invited into that walk. And what you will find, if you stay with it, is one of the most serious attempts any pre-Christian mind ever made to answer a question Scripture answers very differently: can law make a person good? 

Historical and Literary Ground

Plato wrote the Laws near the end of his life, most likely in the 350s BC, and ancient testimony says he never finished revising it; his student Philip of Opus arranged the wax tablets he left behind into the twelve books you can read today. By this point Plato had already written the Republic, with its famous and radical proposal to abolish private property and family for the guardian class. The Laws is his walk-back, his second-best city, built for people as they actually are rather than for philosopher-kings who do not exist. The speaker doing almost all the work is not Socrates but an unnamed Athenian Stranger, talking with a Spartan named Megillus and a Cretan named Kleinias who is about to help found a new colony called Magnesia. You should notice what this means: Plato removes his own teacher, the man executed by Athens for impiety, from a dialogue that will end, in Book Ten, by prescribing death for citizens who cannot be talked out of their unbelief. The irony sits there whether or not Plato intended it.

▶ Play on YouTube

The Argument for God, and Its Ceiling

Book Ten is where the dialogue reaches its theological height, and you should not read past it too quickly. The Athenian argues that some things move themselves, and that self-moved motion, which we call soul, must be prior in origin to everything merely moved by something else, including the physical universe itself. From this he reasons to the existence of a good, ordering divine mind behind the visible order of the heavens. Read Romans 1:20 alongside this and you will feel real kinship: God’s invisible attributes, Paul says, “have been clearly perceived, ever since the creation of the world, in the things that have been made, so they are without excuse.” Plato is, on his own terms, doing exactly what Paul says every person is capable of and accountable for. But watch what Plato does with the insight once he has it. He does not fall to worship. He drafts a statute. Citizens who remain unconvinced after five years of compulsory reeducation in a special reformatory are to be executed. This is the ceiling of natural theology pursued without revelation: real light, genuinely perceived, and then bent by the fallen mind, as Paul goes on to say in the very next verses, into something that “did not honor him as God” but reached instead for control.

When Babylon Fell: Herodotus, the Prophets, and the Hand of God in History

Few moments in ancient history carry as much weight for the Christian reader as the fall of Babylon to Cyrus the Great in 539 BCE. It is a convergence point where secular historiography, archaeological evidence, and the witness of three Old Testament prophets all meet in striking agreement. The Greek historian Herodotus, writing in the fifth century BCE, provides an account of the conquest in Book I of his Histories that illuminates, corroborates, and gives vivid historical texture to the prophetic oracles of Isaiah, Jeremiah, and Daniel. For those who hold the Scriptures to be divinely inspired, the convergence is not merely interesting — it is deeply confirming.

The Historical Account: Herodotus on the Fall of Babylon

Herodotus describes Cyrus facing a prolonged siege of Babylon, a city so vast and so well-provisioned that a direct assault on its massive walls was futile. Cyrus solved this problem by diverting the Euphrates River upstream into a marsh and drainage basin, originally constructed by the Babylonian Queen Nitocris. As the water level in the city’s channel dropped to roughly thigh-depth, Persian soldiers waded in through the riverbed under cover of darkness. The Babylonians, celebrating a great festival that night, were caught entirely off guard. So enormous was Babylon that inhabitants near the center of the city continued their revelry for some time before word reached them that the outer districts had already fallen. Entry had been made without breaching a single wall or gate. The Nabonidus Chronicle, a Babylonian administrative document, independently confirms a swift, largely bloodless fall of the city, though it does not emphasize the diversion tactic. The Greek account stands as the most detailed ancient record of the mechanics of the conquest and it is precisely this detail that speaks so powerfully to the biblical texts.

Isaiah: Cyrus Named Before He Was Born

Isaiah chapters 44 and 45 contain one of the most remarkable passages in all of prophetic literature. YHWH, declaring himself the sole Creator and Redeemer, issues a command to the depths: “Be dry, and I will dry up your rivers.” Immediately following this cosmic declaration, he names a specific man — Cyrus — as “My shepherd” who will perform God’s pleasure and command the rebuilding of Jerusalem and the laying of the temple foundation. In chapter 45, Cyrus is called YHWH’s “anointed” (the Hebrew word is mashiach), the one whose right hand God will hold to subdue nations, to open gates that will not be shut, and to free the exiles of Israel. The conservative dating of Isaiah places this oracle approximately 150 years before Cyrus was born. The drying of rivers is not vague poetic language but a description that, when read alongside Herodotus, corresponds precisely to the military tactic that made the conquest possible. Josephus records that Cyrus himself read these Isaiah prophecies, which prompted him to issue the decree allowing the Jews to return to their homeland. The Greek historian thus provides the historical mechanism; Isaiah provides the divine blueprint.

Jeremiah: Dried Waters and Sudden Judgment

Jeremiah 50 and 51, the longest oracle against any foreign nation in the prophetic corpus, pronounces a detailed judgment against Babylon for its oppression of Judah. The recurring motif of drought and drying appears repeatedly: “A drought upon her waters” (50:38) and “I will dry up her sea and make her springs dry” (51:36). These texts do not merely predict Babylon’s fall in general terms; they describe the very hydraulic vulnerability that Herodotus’ account illuminates. Jeremiah also anticipates the character of the fall — sudden, coming during a time of drunken revelry and arrogance. The imagery of Babylon drinking and falling asleep never to wake (51:39, 57) corresponds to the festival atmosphere Herodotus describes. Jeremiah further specifies the Medes as the agents of destruction (51:11, 28) and promises that this judgment will open the way for Israel’s return, an everlasting covenant of forgiveness and restoration. The prophecy was not fully exhausted in 539 BCE, and many conservative scholars read its final fulfillments in eschatological terms — a point we will return to in closing.

Daniel: The Feast, the Writing, and the Night It Ended

Daniel 5 provides the interior view of the very night Herodotus describes from the outside. King Belshazzar hosts a great feast for a thousand of his lords, deliberately using the sacred vessels taken from the Jerusalem temple. In the midst of this blasphemous celebration, a human hand appears and writes on the plaster wall: “Mene, Mene, Tekel, Upharsin.” Daniel, summoned when the court wise men fail to interpret the inscription, delivers a verdict: the kingdom has been counted, weighed, and found wanting — it will be divided and given to the Medes and Persians. That very night Belshazzar is slain and Darius the Mede takes the kingdom. Historical scholarship has confirmed that Belshazzar served as co-regent under his father Nabonidus, which explains why Daniel is offered the position of “third ruler” in the kingdom — the highest available post. The festival setting that Herodotus describes as enabling the Persian entry perfectly accounts for the scene Daniel portrays: a city carousing in false security while an enemy moves through its own riverbed. The two accounts, one Greek and one Hebrew, describe the same catastrophic night from different vantage points.

How Herodotus Confirms and Illuminates the Prophets

What makes Herodotus uniquely valuable as background to these biblical texts is that he writes as an independent witness with no stake in confirming Hebrew prophecy. His account of the Euphrates diversion gives concrete historical form to the “dried rivers” motif that appears in Isaiah 44:27 and Jeremiah 51:36. The open, unguarded river channels into the city give flesh to Isaiah’s promise that gates would be opened and not shut (45:1–2). The surprise entry during a festival brings to life Jeremiah’s image of Babylon drunk and asleep and Daniel’s portrait of Belshazzar feasting while the city is being taken. Herodotus does not explain the theological significance of any of this; that is precisely the point. He is simply a careful, if sometimes credulous, historian recording what was known about a famous conquest. The fact that his account coheres so tightly with the prophetic texts, written generations before the event, is a powerful argument that those texts reflect genuine foreknowledge rather than later composition. Critical scholars who date Isaiah’s Cyrus oracles to the exilic or post-exilic period (arguing they were written after the fact) must grapple with the precision of the language and its alignment with extra-biblical sources in ways that a prophecy written after the fact but presented as foretold would usually need, since such pseudepigraphic texts often avoid overly specific details to maintain plausibility.

Summary and Implications for Christian Belief and Practice

The convergence of Herodotus, Isaiah, Jeremiah, and Daniel around the fall of Babylon in 539 BCE carries lasting significance for Christian faith. It demonstrates that the God of Scripture is the Lord of history — that he names instruments of his will centuries in advance, orchestrates geopolitical events down to the level of water levels and festival calendars, and uses even pagan conquerors to accomplish his redemptive purposes. Cyrus, called YHWH’s anointed and shepherd, becomes a type of the greater Deliverer to come, one who opens the gates of captivity not through military diversion but through death and resurrection. Babylon itself, in its arrogance, its idolatry, and its ultimate desolation, becomes a type that echoes through Scripture into the book of Revelation, where its fall is announced with language drawn directly from Jeremiah 50–51. For Christian readers today, these texts together argue that Scripture’s claims are not pious mythology but historically grounded truth — confirmed, in part, by a Greek historian who never intended to confirm anything theological at all. The apologetic value is significant: the prophets of Israel spoke with a specificity and accuracy that secular historiography inadvertently ratifies. And the pastoral implication is equally clear. The God who dried up the Euphrates, who named Cyrus before his birth, who weighed Belshazzar in the balance on the very night of his feast, is the same God who holds the church’s history in his hands — and who will bring every empire, ancient and modern, to its appointed end.​​​​​​​​​​​​​​​​