Ephesians 5:4
4 Let there be rno filthiness nor foolish talk nor crude joking, swhich are out of place, but instead tlet there be thanksgiving.
Colossians 3:8
8 But now qyou must put them all away: ranger, wrath, malice, sslander, and obscene talk from your mouth.
Matthew 12:34
34 pYou brood of vipers! How can you speak good, qwhen you are evil? rFor out of the abundance of the heart the mouth speaks.