Proverbs 26:24

On his lips, an enemy will pretend, but {inside} he will harbor deceit.

Proverbs 12:20

Deceit [is] in the heart of {those who plan} evil, but to {those who plan} peace, [there is] joy.

Psalm 41:6

And when one comes to see [me], he speaks falsely; his heart gathers disaster for itself. He goes out to the street; he speaks.

Proverbs 10:18

He who conceals hatred [has] lips of deceit, and he who utters slander--he is a fool.

Proverbs 11:1

Balances of deceit [are] an abomination of Yahweh, but {an accurate weight} delights him.

Proverbs 12:5

The thoughts of the righteous are just; the advice of the wicked is treacherous.

Proverbs 12:17

He who will speak truth will reveal righteousness, but the witness of falsehood, deceit.

Proverbs 14:8

The wisdom of the clever is understanding his ways, but the folly of fools is deceit.

Treasury of Scripture Knowledge

Summary

He that hateth dissembleth with his lips, and layeth up deceit within him;

Bible References

Deceit

Proverbs 11:1
Balances of deceit [are] an abomination of Yahweh, but {an accurate weight} delights him.
Proverbs 12:5
The thoughts of the righteous are just; the advice of the wicked is treacherous.
Proverbs 14:8
The wisdom of the clever is understanding his ways, but the folly of fools is deceit.