Berean Standard Bible
Proverbs 17:21
“A man fathers a fool to his own grief; the father of a fool has no joy.”

In context
19He who loves transgression loves strife; he who builds his gate high invites destruction.
20The one with a perverse heart finds no good, and he whose tongue is deceitful falls into trouble.
21A man fathers a fool to his own grief; the father of a fool has no joy.
22A joyful heart is good medicine, but a broken spirit dries up the bones.
23A wicked man takes a covert bribe to subvert the course of justice.
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Berean Standard Bible · A modern, readable English translation. Public domain (CC0).