Genesis 2:23 is Adam's 'bone of my bones' declaration — the immediate foundation for the one-flesh principle in verse 24.

Rebekah's willingness to leave immediately "the man" is a narrative example of "a man shall leave his father and his mother" to join a spouse.

Genesis 4:19 records Lamech taking two wives, directly violating the one-flesh principle of monogamy.

Rebekah leaves her family to marry Isaac — a narrative fulfillment of leaving father and mother to unite with one's spouse.

The family's blessing as Rebekah leaves them aligns with the principle of leaving one's family to form a new household union.

Leah and Rachel state "we are considered strangers" to their father, reflecting the "leaving" principle as they commit to Jacob's household.

Laban rebukes Jacob for leaving secretly with his daughters and grandchildren — the 'leaving' from a father's perspective, seen as loss.

The royal bride is told to "forget your own people" and leave her father's house, directly applying the "leaving" principle in a messianic wedding psalm.

Ephesians 5:28-31 quotes Genesis 2:24 directly, applying it to Christ and the church — the ultimate one-flesh mystery.

1 Corinthians 7:11 instructs reconciliation if separation occurs, upholding the one-flesh bond's indissolubility.

1 Corinthians 7:10 commands wives not to separate from husbands, reinforcing the permanence of the one-flesh union.

1 Corinthians 7:2-4 applies the one-flesh principle by teaching mutual marital obligations and mutual authority over each other's bodies.

1 Corinthians 6:16 quotes 'the two will become one flesh' to warn against sexual immorality — the one-flesh union applies even with a prostitute.

Mark 10:6-12 also quotes Genesis 2:24, affirming that marriage is a divine joining not to be broken.

Matthew 19:3-9 quotes Genesis 2:24 directly, using it as Jesus' foundation for the permanence of marriage.

Malachi 2:14-16 explicitly cites the 'one flesh' union from Genesis 2:24, condemning divorce as covenant betrayal.

In Matthew 19:8, Jesus points back to God's original design — permanent one-flesh union — to show that Moses' divorce concession was never the intent.

Joshua warns against intermarriage, using 'cleave' (dabaq) negatively — the same bond misdirected toward foreign wives leads to apostasy.

In Mark 10:7, Jesus directly quotes this verse in His teaching on marriage's permanence, grounding God's design in creation itself.

Deuteronomy 17:17 warns kings against multiplying wives — contrasting the one-flesh union of Genesis 2:24 with polygamy.

In Ephesians 5:31, Paul directly quotes this verse, revealing that the one-flesh union is a mystery pointing to Christ and the church.

Joshua 23:8 continues the theme of 'holding fast' to God, using the same Hebrew verb as in the marriage ordinance.

1 Corinthians 6:17 contrasts physical union with spiritual: being joined to the Lord makes one spirit, echoing the 'one flesh' language.

Deuteronomy 10:20 also employs 'hold fast' for devotion to God, mirroring the covenant commitment of marriage.

Deuteronomy 4:4 uses the same Hebrew verb 'hold fast' (dabaq) for loyalty to God, echoing the marital bond language.

Gideon had many wives and seventy sons — the opposite of Genesis 2:24's one-flesh vision, showing Israel's drift from the ideal.

Romans 7:2 uses the marriage bond as an analogy for being bound to the law — a theological extension of the 'one flesh' principle.

A newlywed is exempt from war for one year to 'cheer his wife' — honoring the marital bond by protecting the new union.