Psalm 10:7
"His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity."
Cross References (ranked by relevance)
Behold, he travaileth with iniquity, and hath conceived mischief, and brought forth falsehood.
As for the head of those that compass me about, let the mischief of their own lips cover them.
Rid me, and deliver me from the hand of strange children, whose mouth speaketh vanity, and their right hand is a right hand of falsehood:
They have sharpened their tongues like a serpent; adders’ poison is under their lips. Selah.
Though wickedness be sweet in his mouth, though he hide it under his tongue;
And they bend their tongues like their bow for lies: but they are not valiant for the truth upon the earth; for they proceed from evil to evil, and they know not me, saith the LORD.
For the sin of their mouth and the words of their lips let them even be taken in their pride: and for cursing and lying which they speak.
The words of his mouth are iniquity and deceit: he hath left off to be wise, and to do good.
Who whet their tongue like a sword, and bend their bows to shoot their arrows, even bitter words:
They are corrupt, and speak wickedly concerning oppression: they speak loftily.
Thou lovest all devouring words, O thou deceitful tongue.
The wicked are estranged from the womb: they go astray as soon as they be born, speaking lies.
They only consult to cast him down from his excellency: they delight in lies: they bless with their mouth, but they curse inwardly. Selah.
Thine habitation is in the midst of deceit; through deceit they refuse to know me, saith the LORD.
They conceive mischief, and bring forth vanity, and their belly prepareth deceit.
Remove far from me vanity and lies: give me neither poverty nor riches; feed me with food convenient for me:
They speak vanity every one with his neighbour: with flattering lips and with a double heart do they speak.
The getting of treasures by a lying tongue is a vanity tossed to and fro of them that seek death.
For there is no faithfulness in their mouth; their inward part is very wickedness; their throat is an open sepulchre; they flatter with their tongue.
Whose mouth speaketh vanity, and their right hand is a right hand of falsehood.