Proverbs 4:23 23 Keep thy heart with all diligence; for out of it are the issues of life.
Proverbs 17:22 22 A merry heart doeth good like a medicine: but a broken spirit drieth the bones.
John 14:27 27 Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.
Nehemiah 8:10 10 Then he said unto them, Go your way, eat the fat, and drink the sweet, and send portions unto them for whom nothing is prepared: for this day is holy unto our Lord: neither be ye sorry; for the joy of the Lord is your strength.