Why Are There Weird Laws in the Old Testament? The Answer Changes Everything

If you’ve ever tried to read through the Old Testament and hit a law that made you go, “Wait… what?” — you’re not alone. Most honest Christians have quietly wrestled with the bizarre, disturbing, and sometimes offensive rules scattered throughout Exodus, Leviticus, and Deuteronomy.

And here’s the uncomfortable truth: the standard Christian answers don’t hold up well under scrutiny. “It was a different culture” or “God works in mysterious ways” might work in a Sunday school class, but they fall apart when you actually read what’s there.

So why are there weird laws in the Old Testament? The answer isn’t what most Christians expect — but once you see it, it changes everything about how you understand the Bible, the cross, and even the hidden meaning of John 3:16.

The Old Testament Laws That Bother Honest Christians

Let’s not sugarcoat this. Here are some actual laws in the Old Testament that we need to deal with honestly:

  • Deuteronomy 22:23-24 — If a sexual assault happens inside a town, both the attacker and the victim must be executed.
  • Deuteronomy 22:28-29 — If the victim is not engaged, she must marry her attacker.
  • Exodus 21:7 — Rules for fathers selling their daughters into slavery.
  • Exodus 21:20-21 — If an owner beats a slave and the slave dies, there are consequences. But if the slave survives a day or two? No penalty.
  • Exodus 21:17 — Children who curse their parents should be executed.

Now, many Christian apologists will jump in and say, “But you have to understand the culture. Given the context of the ancient Near East, God was actually protecting women and slaves with these laws.”

And here’s the thing — if that’s your argument, you’ve actually just made the point. Because if these laws are cultural accommodations rather than timeless moral truths, then the Old Testament law was never meant to define universal right and wrong. It was serving a different purpose entirely.

And that changes the whole story.

These Laws Were Never About Universal Right vs. Wrong

Here’s the story most evangelical Christians tell themselves about the Bible:

  1. God gave us the Old Testament law to define the difference between right and wrong.
  2. We disobey those laws — that’s sin.
  3. Jesus had to die so God could forgive our lawbreaking.
  4. Now Jesus empowers us to finally obey those laws.

It’s a clean, tidy story. And it works — as long as you don’t look at it too closely.

But the moment you start reading the actual laws, the story falls apart. Because the vast majority of Old Testament laws have nothing to do with universal morality. They’re a mixed bag of ancient cultural regulations, purity rituals, dietary restrictions, and yes — some genuinely beautiful commands about caring for the poor, the widow, and the immigrant.

The good ones? Commands like “do not murder,” “do not steal,” “do not lie,” “take care of orphans and the poor” — those are real and beautiful and universally true.

But those good laws are mixed in with hundreds of others that are bizarre, disturbing, or simply ancient. And here’s what most Christians never consider: even those beautiful moral laws aren’t unique to the Bible.

People Knew Right from Wrong Long Before the Bible

One of the biggest myths in modern Christianity is this: “Without the Bible, we would have no idea of the difference between right and wrong.”

This sounds humble and Bible-honoring. But it’s simply not true. And the evidence is overwhelming.

The Sumerian Instructions of Shuruppak (~2600 BC)

One of the oldest examples of human writing ever discovered is a Sumerian clay tablet from roughly 2600-2500 BC. That’s over 1,000 years before Abraham was born and nearly 1,500 years before Moses or any Old Testament writing.

What does it contain? Moral instructions from a king to his son. Don’t steal. Don’t lie. Don’t kill. Honor your parents. If you read it, it sounds remarkably like the book of Proverbs — written more than a millennium before Proverbs existed.

The Code of Hammurabi (~1750 BC)

The Babylonian Code of Hammurabi predates Moses by roughly 500 years. It contains laws about protecting the poor and oppressed, prohibitions against adultery, murder, lying, and theft. Many of its laws read almost identically to Old Testament laws — including the famous “eye for an eye, tooth for a tooth.”

Hammurabi’s version: “If a man put out the eye of another man, his eye shall be put out. If he breaks another man’s bone, his bone shall be broken.”

Sound familiar? That’s centuries before Exodus was written.

Confucius (~500 BC)

Even the Golden Rule predates Jesus by 500 years in recorded history. Confucius taught: “Do not do unto others what you would not want others to do unto you.”

This wasn’t a Christian teaching. This was a Chinese philosopher who had never seen a Bible.

Why This Matters

This isn’t bad news — it’s actually wonderful news. It means human beings are wired for good. Every functioning society in history has figured out that murder, theft, and lying are destructive. No society could survive 4,000+ years (as China has) if its people had no moral compass without the Bible.

So if the Old Testament law wasn’t needed to teach humanity right from wrong… what was it actually for?

The Real Purpose: Keeping Israel Separate and Gentiles Out

This is where most Christians get uncomfortable. But it’s right there in the text.

The primary purpose of the Old Testament law — according to the Apostle Paul in Galatians — was not to define universal morality. It was to create a boundary. To keep Israel distinct from every other nation. To draw a hard line between “in” and “out.”

Think about it. Circumcision, dietary laws, Sabbath rules, purity rituals, clothing regulations — none of these are about moral right and wrong. They’re about identity markers. They’re the things that made a Jewish person visibly, unmistakably different from everyone around them.

You couldn’t eat at a Gentile’s table. You couldn’t intermarry. You couldn’t participate in their festivals. The law created a wall — and it was designed to.

This is exactly what Paul argues in Galatians. And it’s why what Jesus did was so radical.

Galatians 3: The Law Was a Temporary Guardian

Paul lays this out clearly in Galatians 3:23-26:

“Before the coming of this faith, we were held in custody under the law, locked up until the faith that was to come would be revealed. So the law was our guardian until Christ came… Now that this faith has come, we are no longer under a guardian.”

Notice the “we” here. Paul is speaking as a Jew, about the Jewish people. Were the Chinese ever under the Old Testament law? No. Were indigenous peoples in the Americas under it? No. Were Africans or Europeans? No. The law was for one small group of people in the Middle East — and it was temporary.

And look at Paul’s language. He doesn’t call the law a “beautiful gift” or a “glorious revelation.” He calls it custody. Being locked up. A guardian — or more accurately, a babysitter or jailer.

The law was temporary. It was for Israel only. And it came to an end when Christ arrived.

Then Paul drops the bombshell — the verse that reveals what Jesus actually came to do:

“There is neither Jew nor Gentile, neither slave nor free, nor is there male and female, for you are all one in Christ Jesus.” — Galatians 3:28

When you cancel the law, you don’t cancel morality. Humans already knew right from wrong. What you cancel is the wall between insider and outsider. The dividing line between Jew and Gentile disappears. And suddenly, everyone is welcome in the family.

Christ Set Us Free — From the Law (Galatians 5:1)

Galatians 5:1 is one of the most quoted verses in Christianity: “It is for freedom that Christ has set us free.”

You’ve seen it on bumper stickers and coffee mugs. And most Christians assume it means freedom from sin.

But read the very next verse:

“Mark my words! I, Paul, tell you that if you let yourselves be circumcised, Christ will be of no value to you at all.” — Galatians 5:2

This isn’t about sin. It’s about circumcision — the entry point to the Old Testament law. Paul isn’t celebrating freedom from bad behavior. He’s celebrating freedom from the entire legal system that kept outsiders out.

And he’s dead serious about it. “Christ will be of no value to you at all” if you go back to the law. This isn’t a minor theological footnote. For Paul, mixing grace and the Old Testament law is a salvation-level issue.

What This Means for John 3:16: God Loved the WORLD

Now here’s where it all connects — and where the weird Old Testament laws suddenly make the gospel bigger, not smaller.

If the Old Testament law was a wall — designed to keep Israel separate and everyone else out — then what did Jesus come to do?

He tore the wall down.

And suddenly, John 3:16 explodes with meaning: “For God so loved the world.” Not just Israel. Not just the people inside the wall. The world. Every nation, every language, every outsider who was never part of the original covenant.

Jesus didn’t die because God is obsessed with perfection or needed His “pound of flesh” before He could forgive rulebreaking. Jesus died to bring outsiders in and make one family out of the entire human race.

This is what Paul means when he writes “neither Jew nor Gentile.” The wall is gone. The weird laws that kept people separated — the dietary codes, the circumcision requirements, the purity rituals — they served their temporary purpose. And now Christ has fulfilled them and moved humanity into something infinitely bigger.

When you read the hidden meaning of John 3:16 in the original Greek, you discover that “God so loved the world” uses the word cosmos — the entire created order. Not a select group. Not the rule-followers. Everyone.

The weird laws were a wall. John 3:16 is a door. And Jesus is the one who opened it.

You Were Wired Good from the Start

There’s one more myth we need to let go of: the idea that human beings are “wicked and depraved to the core.”

Genesis 1:31 says: “God saw all that he had made, and it was very good.”

That includes you. That includes all of humanity.

Yes, we struggle with brokenness. But if humans were truly depraved to the core, there wouldn’t be 8 billion of us on the planet. For every act of violence that makes the news, there are millions of acts of kindness that don’t. Parents caring for children. Neighbors helping neighbors. Strangers showing compassion to strangers — in every culture, in every nation, with or without a Bible.

You don’t have to teach a child how to love. Hold a baby with love and it naturally wants to love you back. That’s not depravity — that’s the fingerprint of a good Creator.

Does brokenness exist? Absolutely. Do we need Jesus? More than we know. But not because we’re worthless worms who need a rule book. Because we’re beloved children who were always meant for something bigger than religion could contain.


Keep going deeper: Read our full breakdown of the hidden meaning of John 3:16 and discover what the original Greek reveals about God’s love for the entire cosmos. Then explore why Jesus said “Father forgive them” — and why the cross was God’s rescue mission, not His rage. And for the crucial distinction between the power of sin and the acts of sin, read our article on Sin vs Sins.