Romans 3:13
Their throat is an open sepulchre; with their tongues they have practised deceit. The poison of asps is under their lips.
Matthew 12:34-35
How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.
Matthew 23:27-28
Woe to you, scribes and Pharisees, hypocrites! for ye are like whited sepulchres, which outwardly indeed appear beautiful, but within are full of dead mens bones, and of all uncleanness.
Romans 3:4
Far be it! yea, let God be true, and every man a liar; as it is written, "That thou mayst be justified in thy words, and mayst overcome when thou art arraigned."
James 3:5-8
So also the tongue is a little member, and boasteth great things. Behold, how great a forest a little fire kindleth!