Noun
An attempt or disposition to deceive or lead into error; any declaration, artifice, or practice, which misleads another, or causes him to believe what is false; a contrivance to entrap; deception; a wily device; fraud.
Any trick, collusion, contrivance, false representation, or underhand practice, used to defraud another. When injury is thereby effected, an action of deceit, as it called, lies for compensation.
Source: Webster's dictionaryNever lie, but always tell the truth. For falsehood and deceit is the most harmful of all vices, and the customary work of the devil. Theophan the Recluse
For the Lord touched all parts of creation, and freed and undeceived them all from every deceit. Athanasius of Alexandria
It's discouraging to think how many people are shocked by honesty and how few by deceit. Noël Coward
Deceit sleeps with greed. Norse Proverb
Too much politeness conceals deceit. Chinese Proverb
Deceit is in haste, but honesty can wait a fair leisure. Danish Proverb