Proverbs 30:20
Such is the way of an adulterous woman; she eateth, and wipeth her mouth, and saith, I have done no wickedness.
Cross-reference
Proverbs 7:13-23 details the adulterous woman's seduction — the same pattern of hidden sin that 30:20 captures with 'eats and wipes her mouth'.
Proverbs 9:17 describes the allure of secret sin — the same deceptive sweetness that leads the adulterous woman to feel no guilt.
Proverbs 14:9 says fools mock at making amends for sin — similar to the adulterous woman's denial of wrongdoing here.
Numbers 5:13 explicitly describes an adulterous woman whose sin is hidden and undetected — directly parallel to the denial in Proverbs 30:20.
2 Samuel 11:4 recounts David's adultery with Bathsheba — a concrete example of the 'way of an adulterous woman' Proverbs describes.
Psalm 32:5 contrasts confession and forgiveness with the adulterous woman's denial — a direct contrast in response to sin.
Jeremiah 2:23 rebukes Israel's denial of idolatry — mirroring the adulterous woman's claim of innocence.
Hosea 12:8 shows Ephraim denying sin amid wealth — the same self-deception as the adulterous woman's 'I have done no wrong'.
Matthew 26:25 has Judas feigning innocence — echoing the adulterous woman's denial of wrongdoing here.
Malachi 2:14 condemns marital unfaithfulness — the same betrayal underlying the adulterous woman's casual denial.
Numbers 5:11-30 prescribes a ritual for a woman suspected of adultery — echoes the hidden sin and denial in Proverbs 30:20.
2 Kings 5:25 shows Gehazi lying about his actions — parallel to the woman's denial 'I have done no wrong', though the sin is theft, not adultery.