Ephesians 4:29

4:29 You must let no unwholesome word come out of your mouth, but only what is beneficial for the building up of the one in need, that it may give grace to those who hear.

Ephesians 5:4

5:4 Neither should there be vulgar speech, foolish talk, or coarse jesting – all of which are out of character – but rather thanksgiving.

James 3:4-6

3:4 Look at ships too: Though they are so large and driven by harsh winds, they are steered by a tiny rudder wherever the pilot’s inclination directs. 3:5 So too the tongue is a small part of the body, yet it has great pretensions. Think how small a flame sets a huge forest ablaze. 3:6 And the tongue is a fire! The tongue represents the world of wrongdoing among the parts of our bodies. It pollutes the entire body and sets fire to the course of human existence – and is set on fire by hell.

James 3:2

3:2 For we all stumble in many ways. If someone does not stumble in what he says, he is a perfect individual, able to control the entire body as well.

James 2:7

2:7 Do they not blaspheme the good name of the one you belong to?

James 2:18

2:18 But someone will say, “You have faith and I have works.” Show me your faith without works and I will show you faith by my works.

Jude 1:8

1:8 Yet these men, as a result of their dreams, defile the flesh, reject authority, and insult the glorious ones.

Jude 1:13

1:13 wild sea waves, spewing out the foam of their shame; wayward stars for whom the utter depths of eternal darkness have been reserved.