Proverbs 15:13 in the World English Bible
A glad heart makes a cheerful face, but an aching heart breaks the spirit.
Context
12 A scorner loveth not one that reproveth him: neither will he go unto the wise.
13 A merry heart maketh a cheerful countenance: but by sorrow of the heart the spirit is broken.
14 The heart of him that hath understanding seeketh knowledge: but the mouth of fools feedeth on foolishness.