Parents sometimes say the hardest thing is not anger but grief: watching a child they love choose, again and again, the thing that will destroy them. Genesis 6 describes God in almost those terms. The violence that started with Cain has spread until it fills the earth, and every intention of the human heart is 'only evil all the time'. God is sorry he made humankind, and it grieves him to his heart. Yet in the same breath the chapter names one man, Noah, and a plan that starts with wood and pitch.
Where it sits in the story: Act 2, the fall, reaches its lowest point before the flood. The goodness declared in Genesis 1 has been undone: the earth God saw as 'very good' is now seen as corrupt. The flood that follows is a kind of un-creation and re-creation, with the waters of 1:2 returning. But God does not abandon the world; he preserves a family and the animals and promises a covenant — the first time that word appears in the Bible.
What this chapter is doing: To show why the flood comes — a world filled with violence that grieves God — and that judgment is never God's only word: he chooses Noah, commands the ark, and promises a covenant to carry life through.
- 6:1–4 — In a strange and brief episode, the 'sons of God' take wives from the daughters of humans. God limits human days to 120 years. The Nephilim, and the 'mighty men of old', are mentioned — but hardly explained.
- 6:5–8 — The LORD sees how great human wickedness has become and is grieved that he made humankind. He resolves to wipe out people and animals. But Noah found favour in the eyes of the LORD.
- 6:9–12 — A new 'generations' section begins: Noah is righteous and blameless in his generation and walks with God, like Enoch. Meanwhile the earth is corrupt and full of violence.
- 6:13–22 — God tells Noah the end is coming and gives exact instructions: an ark of gopher wood covered with pitch, 300 by 50 by 30 cubits, three decks, a door and a roof opening. God promises a covenant, and Noah is to bring pairs of every creature and food. Noah does everything God commanded.
- Angelic beings: heavenly beings crossing a boundary with humans — the oldest attested Jewish reading (as in 1 Enoch) and held by some early Christian writers.
- The line of Seth: godly men from Seth's family marrying women from Cain's line — a view popular from Augustine onward.
- Ancient rulers: kings or powerful men who claimed divine status and took whatever women they wished.
Key verse: Genesis 6:8 · So what: The chapter will not let us imagine God as indifferent to violence; it pictures him grieving over it. It also shows one person living differently in a corrupt age, simply by walking with God and doing what he asked, even when it looked absurd. Faithfulness in this chapter looks less like a speech and more like carpentry.