Proverbs 3:3 (BSB)

Never let loving devotion or faithfulness leave you; bind them around your neck, write them on the tablet of your heart.

From Proverbs 3. Also in the ESV.

Commentary on Proverbs 3:3

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 3:1-6: We are here taught to live a life of communion with God; and without controversy great is this mystery of godliness, and of great consequence to us, and, as is here shown, will be of unspeakable advantage. I. We must have a continual regard to God's precepts, Pro 3:1, Pro 3:2. 1.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 3:3: Let not mercy and truth forsake thee,.... Or, forsake not them, and the exercise of them; show "mercy" to fellow creatures, to sinful men, to the bodies of men, by relieving their wants; and to their souls, by pitying and praying for them, and by giving them wholesome counsel and advice: to fellow Christians, sympathize with them in their troubles, put on bowels of compassion...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 3:3: mercy and truth--God's faithfulness to His promises is often expressed by these terms (Psa 25:10; Psa 57:3). As attributes of men, they express integrity in a wide sense (Pro 16:6; Pro 20:28). bind . . . write . . . heart--outwardly adorn and inwardly govern motives.
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Proverbs 3:3: Let not mercy and truth forsake thee: bind them about thy neck; write them upon the table of thine heart: (b) By mercy and truth he means the commandments of the first and second table, or else the mercy and faithfulness that we ought to use toward our neighbours. (c) Keep them as a precious jewel. (d) Have them ever in remembrance.