Matthew 19:5
And said, For this cause shall a man leave father and mother, and shall cleave to his wife: and they twain shall be one flesh?
Cross-reference
Genesis 2:21-24 is the exact passage Jesus quotes here about leaving and cleaving — direct citation.
Mark 10:5-9 records the same teaching and Genesis quote — a synoptic parallel account.
1 Corinthians 6:16 directly quotes Genesis 2:24, the same verse Jesus cites here, applying it to warn against sexual immorality.
1 Corinthians 7:4 describes mutual bodily authority, deepening the 'one flesh' concept of mutual belonging.
Ephesians 5:31 quotes the same Genesis verse, applying it to Christ and the church — a direct citation of the OT text.
Ephesians 5:28 applies the one-flesh union to husbandly love, showing the ethical implication of becoming one flesh.
Psalm 45:10 tells a bride to forget her father's house — similar to leaving parents but from the bride's perspective, paralleling the marriage bond.
1 Corinthians 7:2 grounds marriage in preventing sexual immorality, complementing the creation ordinance of one flesh.