Romans 3:13
Their throat is an open sepulchre: with their tongues they have used deceit; the poison of asps is under their lips:
Matthew 12:34-35
O race of vipers, how can ye speak good things, who are yourselves so wicked? for out of the abundance of the heart the mouth speaketh.
Matthew 23:27-28
Wo unto you scribes and pharisees, hypocrites; who are like whited sepulchres, which indeed appear beautiful without, but within are full of the bones of the dead, and all manner of filthiness;
Romans 3:4
God forbid: yea, let God be acknowledged true, though every man be a liar; as it is written, That thou mightest be justified in thy words, and mightest overcome, when thou judgest.
James 3:5-8
So the tongue is a small part of the body, yet boasteth great things. Behold how much fuel a little fire kindleth!