Proverbs 10:32 KJV
The lips of the righteous know what is acceptable: but the mouth of the wicked speaketh frowardness.
Proverbs 10:32, King James Version
In context
31 The mouth of the just bringeth forth wisdom: but the froward tongue shall be cut out.
32 The lips of the righteous know what is acceptable: but the mouth of the wicked speaketh frowardness.