Matthew 12:35-37
The good man brings good out of his good store, and the evil man brings evil out of his store of evil.
Hebrews 4:12-13
For the Logos of God is a living thing, active and more cutting than any sword with double edge, penetrating to the very division of soul and spirit, joints and marrow ??scrutinizing the very thoughts and conceptions of the heart.
James 1:26
Whoever considers he is religious, and does not bridle his tongue, but deceives his own heart, his religion is futile.
James 3:2-10
We all make many a slip, but whoever avoids slips of speech is a perfect man; he can bridle the whole of the body as well as the tongue.