Proverbs 14:10
King James Version
“The heart knoweth his own bitterness; and a stranger doth not intermeddle with his joy.”
Context
7Go from the presence of a foolish man, when thou perceivest not the lips of knowledge.
8The wisdom of the prudent to understand his way: but the folly of fools deceit.
9Fools make a mock at sin: but among the righteous favour.
10The heart knoweth his own bitterness; and a stranger doth not intermeddle with his joy.
11The house of the wicked shall be overthrown: but the tabernacle of the upright shall flourish.
12There is a way which seemeth right unto a man, but the end thereof the ways of death.
13Even in laughter the heart is sorrowful; and the end of that mirth heaviness.