Why did God choose to end all life?
Why did God decide to destroy all flesh in Genesis 6:13?

Canonical Text

“Then God said to Noah, ‘I have decided to put an end to all flesh, for the earth is filled with violence because of them; behold, I will destroy them and the earth.’ ” (Genesis 6:13)


Historical and Cultural Background

Genesis places the Flood near the tenth patriarch (Noah), roughly 1,600 years after creation on a Ussher-style timeline (~2500 BC). Extra-biblical Mesopotamian flood accounts (e.g., Gilgamesh XI; Atrahasis) echo the event, demonstrating the memory of a cataclysm in the cradle of civilisation. Whereas pagan epics blame capricious gods or overpopulation, Scripture grounds the Flood in universal moral evil and divine holiness.


Extent of Human Corruption

“Yahweh saw that the wickedness of man was great on the earth, and that every inclination of the thoughts of his heart was altogether evil all the time” (Genesis 6:5). The Hebrew kol (“every, all”) appears four times (vv. 5, 12–13), underscoring total depravity. Violence (chāmās) had become the societal norm (Genesis 6:11), signifying lawless bloodshed, exploitation, and the breakdown of family and civil structures. Behavioral science confirms that unchecked violence spreads contagiously through modeling and normalization, leading to societal collapse—precisely the picture Moses records.


Violence as the Dominant Social Order

Archaeology of prediluvian cities is necessarily limited (they lie beneath post-Flood sediments), yet antediluvian weapon artefacts at Hamoukar (northern Mesopotamia) show mass destruction layers consistent with organised violence. Scripture’s portrait finds secular parallels: when homicide exceeds a threshold of ~30 per 100,000, cultures historically implode (anthropological studies of Classic Maya, pre-colonial Maori). Genesis presents a world already far past that threshold.


Divine Forbearance and the 120-Year Window

Genesis 6:3 indicates a 120-year respite between verdict and execution. This grace period allowed Noah’s preaching (2 Peter 2:5) and ark construction (Hebrews 11:7) to serve as a global call to repentance. The length mirrors Yahweh’s patient character later exhibited toward Canaan (Genesis 15:16) and echoes the New Testament proclamation that God “is patient … not wanting anyone to perish” (2 Peter 3:9).


Comprehensive Judgment: Why Include Animals?

1. Creation Solidarity: Humanity is vice-regent over animals (Genesis 1:28). Human sin therefore drags creation into futility (Romans 8:20).

2. Shared Environment: Land animals inhabited the same corrupted biosphere; none could survive a worldwide deluge apart from the ark.

3. Moral Object-Lesson: The breadth of judgment underscores the seriousness of sin, anticipating final restoration where even the animal kingdom is renewed (Isaiah 11:6-9).


The Ark as an Instrument of Grace

While “all flesh” would be judged, God preserves a remnant. The ark—proportioned 30:5:3 (length:width:height)—matches modern naval architecture for stability; scale models survive category-5 wave tank testing, confirming its seaworthiness. Gopher-wood (likely a laminated cypress/pitch composite) has decay-resistant properties, paralleling modern marine ply. Archaeological fragments found on greater Ararat’s northeastern slopes (not yet conclusively verified) contain bitumen-coated, mortise-and-tenon joinery matching Genesis’ description.


Christological Typology

Peter calls the floodwaters a “figure” (antitypon) of baptism (1 Peter 3:20-21), connecting Noah’s salvation “through water” to deliverance through Christ’s resurrection. The ark prefigures Christ: one door (Genesis 6:16) mirrors John 10:9—“I am the door.” Just as pitch (kāpar, “to cover”) sealed the ark, Christ’s atonement (“kippēr”) covers sin. Thus the decision to destroy all flesh simultaneously reveals God’s wrath and His redemptive plan.


Corroborative Flood Traditions and Archaeology

More than 300 flood legends worldwide (e.g., Babylonian, Chinese Miao, Toltec, Hawaiian) share motifs of universal inundation, a favored family, and animal preservation in a vessel, converging statistically beyond chance. Excavations at the Shuruppak and Kish tells reveal silt layers 0.5–1 m thick sandwiched between habitation strata, dating to the mid-3rd millennium BC—clear evidence of a massive fluvial event in Mesopotamia.


Geological Evidences Consistent with a Global Flood

1. Sedimentary Megasequences: Trans-continental layers (e.g., Tapeats Sandstone spanning North America) imply rapid, high-energy deposition over thousands of kilometers.

2. Polystrate Fossils: Upright fossilised trees in Nova Scotia and Wales cut through multiple strata, indicating catastrophic burial.

3. Marine Fossils on Mountain Tops: Ammonites at 12,000 ft in the Himalayas illustrate former submersion of continents.

4. Lack of Bioturbation: Uniformly fine lamination in widespread shale formations (e.g., Burgess Shale) suggests rapid deposition without time for burrowing organisms, matching Flood expectations.

Together these data align with a global cataclysm of the scale Genesis records.


Philosophical Considerations: Divine Justice and Love

Justice demands proportionate response; love seeks the ultimate good. By terminating a world entrenched in perpetual violence, God both administers justice to the unrepentant and demonstrates love toward future humanity, making possible a redeemed lineage culminating in the Messiah (Genesis 3:15; Luke 3:36). In annihilating the corrupt seed, He safeguards the promise of salvation.


Common Objections Answered

• “A loving God would not kill.” – God’s love is inseparable from holiness. Permitting unchecked evil would violate both love for victims and His nature (Habakkuk 1:13).

• “The Flood is myth.” – Independent flood traditions, global sedimentology, and the internal textual coherence argue strongly for historicity.

• “Why not surgical judgment?” – God did provide a door of escape; anyone could have entered the ark (2 Peter 2:5). Universal refusal underscores mankind’s culpability, not divine arbitrariness.


Contemporary Application

Jesus compares the days of Noah to His return (Matthew 24:37–39). Modern proliferation of violence, technological arrogance, and moral relativism echo antediluvian attitudes. The call is identical: enter the true Ark—Christ—before the final judgment.


Summary

God’s decision to “destroy all flesh” arose from humanity’s total moral corruption and systemic violence. The Flood simultaneously manifested divine holiness, preserved the Messianic promise, and provided a typological preview of salvation through Christ. Textual reliability, global traditions, and geological data corroborate the event, while behavioral and philosophical analyses affirm the justice of the verdict. The narrative stands as a sobering reminder of sin’s consequences and a gracious invitation to seek refuge in the God who judges and saves.

What steps can we take to align our lives with God's will today?
Top of Page
Top of Page