Matthew 12:34
Generation of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.
Romans 3:13-14
their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;
James 3:6-8
And the tongue is a fire, the world of iniquity. So is the tongue placed among our members, defiling the whole body, setting on fire the course of life, and being set on fire by hell.
Treasury of Scripture Knowledge
Summary
His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.
Full
And deceit
General references
Bible References
Full
Romans 3:14
their mouth is full of cursing and bitterness;
And deceit
Romans 3:13
their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;
General references
Romans 3:14
their mouth is full of cursing and bitterness;