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 ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.
Matthew 23:27-28
Woe unto you, scribes and Pharisees, hypocrites! because you are like whitened sepulchers, which are beautiful indeed externally, but within they are full of the hones of the dead people, and every impurity.
Romans 3:4
it could not be so: but let God be true, and every man a liar; as indeed it has been written, In order that you may be justified in your words, and shall prevail, in your judgment.
James 3:5-8
so also the tongue is a little member, and it boasts great things. Behold, how great a wood a little fire kindles!