Romans 3:13
their throat is an opened tomb, with their tongues they practise deceit, the poison of asps is under their lips.
Matthew 12:34-35
Offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Matthew 23:27-28
Woe to you scribes and Pharisees, hypocrites! For you are like whitewashed tombs, which appear fair without, but within are full of the bones of the dead and of all impurity.
Romans 3:4
By no means; but let God be true, and every man a liar; as it is written, That thou mayest be justified in thy sayings and overcome when thou art judged.
James 3:5-8
so also the tongue is a small member and boasts of great things. Behold, how much wood a little fire kindles!