They conceive mischief, and bring forth vanity, and their belly prepareth deceit.

His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.

Difficulty is a coin which the learned conjure with so as not to reveal the vanity of their studies and which human stupidity is keen to accept in payment

He is a merchant, the balances of deceit are in his hand: he loveth to oppress.

Deceit is in the heart of them that imagine evil: but to the counsellors of peace is joy.

He that hateth dissembleth with his lips, and layeth up deceit within him; / When he speaketh fair, believe him not: for there are seven abominations in his heart.