My son, forget not my law; but let thine heart keep my commandments: Proverbs 3:1

O that there were such an heart in them, that they would fear me, and keep all my commandments always, that it might be well with them, and with their children forever! Deuteronomy 5:29

Keep thy heart with all diligence; for out of it are the issues of life. Proverbs 4:23

Thy word have I hid in mine heart, that I might not sin against thee. Psalm 119:11

……...let the word of Christ dwell in you richly……..