Proverbs 6:14 KJV

Frowardness is in his heart, he deviseth mischief continually; he soweth discord.
Proverbs 6:14, King James Version

In context

13 He winketh with his eyes, he speaketh with his feet, he teacheth with his fingers;

14 Frowardness is in his heart, he deviseth mischief continually; he soweth discord.

15 Therefore shall his calamity come suddenly; suddenly shall he be broken without remedy.