20My son, attend to my words, unto my sayings incline thy ear.
21Let them not slip away from thy eyes: guard them in the midst of thy heart.
22For they are life unto every one of those that find them, and to all his body a healing.
23Above all that is to be guarded, keep thy heart, for out of it are the issues of life.
Proverbs 4
Proverbs 4:20-23