Proverbs 4:23
King James Version
Keep thy heart with all diligence; for out of it are the issues of life.
Proverbs 4:23 in context
Proverbs 4:21
Let them not depart from thine eyes; keep them in the midst of thine heart.
Proverbs 4:22
For they are life unto those that find them, and health to all their flesh.
Proverbs 4:24
Put away from thee a froward mouth, and perverse lips put far from thee.
Proverbs 4:25
Let thine eyes look right on, and let thine eyelids look straight before thee.