Proverbs 20:28 says that steadfast love and faithfulness preserve a king — illustrating how these same virtues sustain leaders, not just individuals.

Proverbs 16:6 pairs 'steadfast love and faithfulness' with atonement and turning from evil — showing these virtues have redemptive and moral power beyond the command here.

Proverbs 7:3 repeats the same command to bind God's words and write them on the heart, reinforcing the metaphor of internalizing wisdom.

Proverbs 6:21 repeats the imagery of binding teachings on heart and neck — reinforcing the method from Proverbs 3:3.

Proverbs 4:21 urges keeping wisdom's words in the heart — mirroring the command to write mercy and truth on the heart tablet.

Hebrews 10:16 quotes the new covenant promise: God will write His laws on hearts and minds, echoing the heart-tablet imagery of Proverbs.

2 Corinthians 3:3 declares believers as letters from Christ written by the Spirit on human hearts—fulfilling the OT metaphor of heart-writing.

Matthew 23:23 prioritizes mercy and faithfulness — a direct NT parallel to Proverbs' call for love and faithfulness.

Hosea 4:1 laments no faithfulness or love in the land — the exact opposite of what Proverbs commands us to cherish.

Psalm 25:10 uses the same phrase to describe God's paths — His ways are love and faithfulness for covenant keepers.

Deuteronomy 11:18-21 adds the command to lay God's words in heart and soul, combining heart-writing with physical binding—parallel to Proverbs.

Deuteronomy 6:8 commands binding God's words as a sign and frontlets, mirroring the 'bind them around your neck' imagery in Proverbs.

Matthew 23:5 criticizes Pharisees for broad phylacteries — contrasting outward display with the inward heart binding of mercy and truth.

Genesis 24:49 uses the same Hebrew phrase 'steadfast love and faithfulness' (chesed ve'emet), linking covenantal character to Abraham's servant.

Jeremiah 17:1 depicts sin engraved on the heart's tablet—opposite to writing love and faithfulness, showing the same metaphor used for corruption.

Psalm 119:11 describes storing God's word in the heart, a similar internalization as 'writing on the tablet of the heart' in Proverbs.

Exodus 13:9 uses similar binding imagery (sign on hand, memorial) for remembering God's deliverance, extending the idea to covenant signs.

1 Samuel 20:8 appeals to covenant kindness (chesed) — a practical outworking of the mercy and truth to bind around one's neck.

Malachi 2:6 describes a priest with 'true instruction' and uprightness — echoing the faithfulness half of Proverbs' command.

Deuteronomy 4:9 urges keeping God's works in your heart to avoid forgetting, a similar heart-keeping discipline to writing on the heart.