Genesis 6:4 reveals what provoked this declaration — the 'sons of God' intermarrying with human women produced the corrupt Nephilim.

Genesis 7:4 shows the 120 years ending — the flood arrives as warned, God's patience finally exhausted after the waiting period.

Nehemiah 9:30 describes God's Spirit patiently warning through prophets for many years — the same striving patience referenced here.

Isaiah 63:10 explicitly describes Israel grieving God's Holy Spirit through rebellion — the same dynamic of resisting the Spirit here.

In Galatians 5:17, Paul says the flesh and Spirit are 'contrary to each other' and 'in conflict' — directly paralleling the Spirit striving with flesh in Genesis 6:3.

In Acts 7:51, Stephen charges Israel with always resisting the Holy Spirit — the same dynamic Genesis 6:3 describes: God's Spirit contending with fleshly humanity.

Psalm 51:11 pleads 'take not your Holy Spirit from me' — David fears exactly the withdrawal this verse warns of.

Psalm 81:12 says God gave them over to their stubborn hearts — the same pattern of divine withdrawal from persistent disobedience.

Proverbs 1:28 warns Wisdom will not answer those who rejected her — a poetic echo of the Spirit refusing to contend with the rebellious.

In 1 Peter 3:20, God's patience during Noah's days is highlighted — the 120 years reflects God waiting while the ark was being prepared.

In 1 Peter 3:18-20, Christ preaches to spirits imprisoned from Noah's era — the exact period Genesis 6:3 establishes when God's patience with that generation ran out.

In Romans 8:1-13, Paul describes the flesh-Spirit conflict in believers: life in the Spirit versus death in the flesh — a dynamic first seen in Genesis 6:3's Spirit contending with flesh.

Ephesians 4:30 instructs believers not to grieve the Holy Spirit, contrasting with the Spirit's contention with sinners in this verse.

In Psalm 78:39, God 'remembered that they were but flesh' — directly echoing Genesis 6:3's reason for limiting the Spirit's striving: 'for he is flesh.'

In Jeremiah 44:22, God's patience ends due to Israel's wickedness, echoing the limit on human lifespan set here because of human corruption.

In John 3:6, Jesus says 'flesh gives birth to flesh, but the Spirit gives birth to spirit' — echoing the flesh-versus-Spirit distinction in Genesis 6:3, though applied to regeneration.

Jeremiah 11:11 shows the outcome when warnings fail: irreversible disaster — the endpoint the Spirit's patience limit here points toward.

Jeremiah 11:7 records God warning 'again and again' about obedience — the same persistent warning implied by the Spirit's striving.

In 1 Thessalonians 5:19, Paul warns 'do not quench the Spirit' — echoing the danger in Genesis 6:3 where God's Spirit ceases striving with resistant humanity.

2 Kings 13:23 shows God unwilling to destroy Israel despite their sin — unlike the flood generation, where His patience reached its limit.

In Galatians 5:16, Paul urges walking by the Spirit to overcome fleshly desires — echoing Genesis 6:3's Spirit-versus-flesh tension, though applied as a command rather than a judgment statement.