Romans 3:13
their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;
Matthew 12:34-35
Generation 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
Alas for you, scribes and Pharisees, hypocrites! for you are like whitened sepulchers, which without appear beautiful, but within are full of dead men's bones, and of all uncleanness.
Romans 3:4
It can not be. But let God be true, though every man be a liar, as it is written: That thou mightest be justified in thy words, and mightest overcome when thou art judged.
James 3:5-8
So, also, the tongue is a little member, and boasts great things. Behold, how great a forest does a little fire set in a blaze.