13 Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips.
Romans 3:13 Cross References - Godbey
Matthew 12:34-35
Matthew 23:27-28
27 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.
28 So you also appear unto the people indeed righteous, but within you are full of hypocrisy and iniquity.
Romans 3:4
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.
5 so also the tongue is a little member, and it boasts great things. Behold, how great a wood a little fire kindles!
6 The tongue, a fire, the world of iniquity: the tongue sits down in the midst of our members, and corrupting the whole body, and setting on fire the course of nature; and it is set on fire from hell.
7 For every nature both of wild beasts, and of birds, and of creeping things, and of oceanic animals, is subdued, and has been subjugated to human nature:
8 but no one of men is able to tame the tongue; an incorrigible evil, full of deadly poison.