Romans 3:13
Their throat is an open sepulchre; with their tongues have they used deceit; the poison of asps is under their lips.
Matthew 12:34-35
Ye brood of vipers, how can ye, being evil, speak good things? For out of the abundance of the heart the mouth speaketh.
Matthew 23:27-28
Wo to you, scribes and Pharisees, hypocrites; for ye are like whited sepulchres, which outwardly indeed appear beautiful, but within are full of dead men's bones and of all uncleanness.
Romans 3:4
God forbid: let God be true, and every man a liar; as it is written, That thou mightest be justified in thy sayings, and mightest overcome when thou art judged.
James 3:5-8
So the tongue also is a little member, yet boasteth great things. Behold how much matter a little fire kindleth.