They only plan to thrust him down from his high position. They take pleasure in falsehood. They bless with their mouths, but inwardly they curse. Selah

"Their mouth is full of curses and bitterness."

And deceit

For there is no truth in their mouth; their inmost self is destruction; their throat is an open grave; they flatter with their tongue.

Behold, the wicked man conceives evil and is pregnant with mischief and gives birth to lies.

The words of his mouth are trouble and deceit; he has ceased to act wisely and do good.

You love all words that devour, O deceitful tongue.

His speech was smooth as butter, yet war was in his heart; his words were softer than oil, yet they were drawn swords.

The wicked are estranged from the womb; they go astray from birth, speaking lies.

who whet their tongues like swords, who aim bitter words like arrows,

No one enters suit justly; no one goes to law honestly; they rely on empty pleas, they speak lies, they conceive mischief and give birth to iniquity.

They bend their tongue like a bow; falsehood and not truth has grown strong in the land; for they proceed from evil to evil, and they do not know me, declares the LORD.

"Their throat is an open grave; they use their tongues to deceive." "The venom of asps is under their lips."

Under

"Though evil is sweet in his mouth, though he hides it under his tongue,

Vanity

Everyone utters lies to his neighbor; with flattering lips and a double heart they speak.

And when one comes to see me, he utters empty words, while his heart gathers iniquity; when he goes out, he tells it abroad.

whose mouths speak lies and whose right hand is a right hand of falsehood.

The getting of treasures by a lying tongue is a fleeting vapor and a snare of death.

Remove far from me falsehood and lying; give me neither poverty nor riches; feed me with the food that is needful for me,

General references

for their hearts devise violence, and their lips talk of trouble.

"Their mouth is full of curses and bitterness."