1 Peter 2:22
"He committed no sin, and no deceit was found in his mouth;"
James 1:26
If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man's religion is worthless.
James 3:2
For we all stumble in many ways. If anyone does not stumble in what he says, he is a perfect man, able to bridle the whole body as well.
1 Peter 2:1
Therefore, put away all malice and all deceit and hypocrisy and envy and all slander.
Matthew 12:35-37
The good man out of the good treasure of his heart brings forth good things, and an evil man out of the evil treasure brings forth evil things.
Colossians 3:9
Do not lie to one another, since you have put off the old self with its practices
James 1:19
This you know, my beloved brethren. But everyone must be quick to hear, slow to speak and slow to anger,
James 3:5-10
So also the tongue is a small part of the body, and yet it boasts of great things. See how great a forest is set aflame by such a small fire!
Revelation 14:4-5
These are the ones who have not been defiled with women, for they have kept themselves chaste. These are the ones who follow the Lamb wherever he goes. They have been purchased from among men as first fruits to God and to the Lamb.