Matthew 12:34
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.
Romans 3:13-14
Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips.
James 3:6-8
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.
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
Whose mouth is full of cursing and bitterness.
And deceit
Romans 3:13
Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips.
General references
Romans 3:14
Whose mouth is full of cursing and bitterness.