Before you ask how old the earth is, ask a prior question: how did Jesus read Genesis?
Debates about the age of the earth usually begin in the wrong building. We start with radiometric decay rates, ice cores, and starlight, and then walk back to the text to see what can be salvaged. But for the Christian there is a prior authority question that outranks every laboratory: the Lord Jesus Christ read Genesis, preached Genesis, and staked arguments on Genesis. Before asking what the rocks say, a disciple is obligated to ask what his Master said. That is not anti-intellectualism. That is Lordship.
“From the Beginning of Creation”
When the Pharisees tested Jesus on divorce, He answered by planting His feet in Genesis — and listen to where He locates Adam and Eve on the timeline:
“But from the beginning of creation, God MADE THEM MALE AND FEMALE.”
Mark 10:6, NASB1995
From the beginning of creation. Not “billions of years after creation began, at the tail end of the story.” On the conventional secular timeline, if the universe’s 13.8 billion years were compressed into a single calendar year, humanity arrives in the last minutes of December 31 — about as far from “the beginning” as it is possible to be. Jesus places the first marriage at the beginning. He says the same thing again in Mark 13:19 — “the beginning of the creation which God created” — and in Luke 11:50–51 He speaks of “the blood of all the prophets, shed since the foundation of the world, from the blood of Abel,” putting Abel, Adam’s son, at the world’s foundation. That is a young-earth structure of history, spoken by the One who was there.
Jesus Treated Genesis as History
It is not only chronology. Across the Gospels, every time Jesus touches Genesis 1–11 — the chapters most often reclassified as poetry or parable — He handles them as sober history. Adam and Eve are a real couple whose union grounds real ethics (Matthew 19:4–6). Abel is a real murdered man whose blood belongs to the same ledger as Zechariah’s (Luke 11:51). Noah is a real preacher, the flood a real event with a real door closing on a real day:
“For the coming of the Son of Man will be just like the days of Noah. For as in those days before the flood they were eating and drinking, marrying and giving in marriage, until the day that Noah entered the ark, and they did not understand until the flood came and took them all away; so will the coming of the Son of Man be.”
Matthew 24:37–39, NASB1995
Notice the wiring in that passage: Jesus fastens the certainty of His own return to the historicity of the flood. If the flood is a moral fable, the analogy carries a fable’s weight. Jesus did not use it that way. Neither did Peter, who warned that scoffers would deny both the flood and the return in the same breath (2 Peter 3:3–6) — deliberately forgetting one to mock the other. The reading that softens Genesis has a way of reaching forward and softening Revelation.
The Sabbath Argument Nobody Repeals
Behind Jesus stands the voice of His Father at Sinai, grounding Israel’s seven-day week in creation’s seven days:
“For in six days the LORD made the heavens and the earth, the sea and all that is in them, and rested on the seventh day; therefore the LORD blessed the sabbath day and made it holy.”
Exodus 20:11, NASB1995
The commandment only works if the days of creation are the same kind of days as Israel’s work week. “Work six ages and rest the seventh age” is not a law anyone can keep. Written by the finger of God on stone, the fourth commandment treats Genesis 1 as calendar, not metaphor — and Jesus, Lord of the Sabbath, never once corrected the reading.
What About Faithful Old-Earth Believers?
Honesty requires saying this plainly: there are believers who love Christ and the inerrant Word who read the evidence differently. Old-earth brothers hear Mark 10:6 as “the beginning” of the human story or of the institution of marriage, not a timestamp for the cosmos; they take Exodus 20:11 as pattern rather than duration, noting that God’s seventh-day rest continues (Hebrews 4). Many hold a real Adam, a real Fall, and a historical (if regional) flood while accepting an ancient universe. These are not enemies of the faith, and this house will not caricature them. The disagreement is inside the family, about the reading of a shared and trusted Book — it is not a dispute over whether God created, or whether His Word is true.
But the question of this post remains stubbornly on the table: the plainest reading of Jesus’ own words puts mankind at the beginning of creation, treats Genesis 1–11 as history, and builds doctrine on it. If exegesis alone were deciding the matter — with no pressure from the current scientific consensus — it is fair to ask whether anyone would ever have found deep time in these texts. The timescale came to the text from outside it. That does not by itself settle the science; it does clarify what the Book actually says.
Why It Matters: Death Before Sin
This is no hobbyhorse. The timeline carries theology. Scripture’s storyline runs creation, fall, death: “just as through one man sin entered into the world, and death through sin, and so death spread to all men” (Romans 5:12, NASB1995). Deep time, as conventionally told, runs the tape the other way — eons of death, disease, and extinction before any man existed to fall. That ordering strains the Bible’s logic at its load-bearing joint, because the gospel’s answer to death is that death is an intruder, “the last enemy” (1 Corinthians 15:26), defeated by the last Adam precisely because it entered by the first one. Whatever a believer concludes about the age question, he must keep that joint intact: death is the wages of sin, not the engine of creation.
Stand Where He Stood
Here is the confrontation, gently but squarely: many of us hesitate on Genesis not because we studied Hebrew and changed our minds, but because we fear looking foolish. The room laughs at six days. It laughed at a virgin conceiving, too, and at a dead man walking out of his own tomb with the grave clothes folded. The Christian faith has never been embarrassed by miracles at the seams of history; it is built on one.
And the God who made the world in the beginning is the same God who makes men new in the middle: “if anyone is in Christ, he is a new creature; the old things passed away; behold, new things have come” (2 Corinthians 5:17, NASB1995). The first creation was spoken from nothing; the new creation is spoken into sinners. If He can do the second — and if you are His, you are the evidence — the six days were never the hard part.
Teaching the Word. Watching the Times. — SmithForChrist