Proverbs 30:33

For as the churning of milk produces butter, And wringing the nose produces blood, So the forcing of wrath produces strife.

Surrounding context

30:32 If you have been foolish in exalting yourself, Or if you have devised evil, put your hand on your mouth.

30:33 For as the churning of milk produces butter, And wringing the nose produces blood, So the forcing of wrath produces strife.