Proverbs 17:21
He who becomes the father of a fool grieves. The father of a fool has no joy.
World English Bible (Public Domain)
In context
Before · Proverbs 17:19–20
19He who loves disobedience loves strife. One who builds a high gate seeks destruction. 20One who has a perverse heart doesn’t find prosperity, and one who has a deceitful tongue falls into trouble.
21He who becomes the father of a fool grieves. The father of a fool has no joy.