7 Whoever corrects a mocker invites insults; whoever rebukes the wicked incurs abuse.

Read Proverbs 9:7 Using Other Translations

He that reproveth a scorner getteth to himself shame: and he that rebuketh a wicked man getteth himself a blot.
Whoever corrects a scoffer gets himself abuse, and he who reproves a wicked man incurs injury.
Anyone who rebukes a mocker will get an insult in return. Anyone who corrects the wicked will get hurt.