1 Peter 2:22
He committed no sin, Neither was guile found in his mouth.
James 1:26
If a man thinks himself to be religious, and yet does not bridle his tongue, but deceives his own religion,
James 3:2
For in many respects we often stumble. If any man never stumbles in speech, the same is a perfect man, able to bridle the whole body as well.
1 Peter 2:1
Therefore put away all malice, all deceit, insincerity, jealousy, and slander of every sort.
Matthew 12:35-37
"A good man out of his good treasure brings forth good; and from his evil treasure a bad man brings out evil.
Colossians 3:9
Lie not one to another, but strip off the old self with its doings,
James 1:19
Mark this well, my dear brothers. Let every man be swift in hearing, slow in speaking, slow in growing angry;
James 3:5-10
So also the tongue is a small member and makes great boasts. Behold, how great a forest is set on fire by a little spark!
Revelation 14:4-5
These are they who were not defiled with women; for they are celibates. They follow the Lamb wherever he goes. They have been redeemed from among men to be the first-fruits unto God and the Lamb.