Treachery: Imam Ali (as) - Sayings of Imam Ali (as) on treachery

Betrayal of trust; deceptive action or nature.

synonyms: betrayal, disloyalty, faithlessness, unfaithfulness, infidelity, breach of trust, duplicity, dirty tricks, deceit, deception, chicanery, stab in the back, backstabbing, double-dealing, untrustworthiness; 
treason, two-timing; literaryperfidy

Keep away from treachery for it is [a cause of] turning away from Islam

The cornerstone of hypocrisy is treachery.

The peak of Ingratitude is disloyalty.

The highest form of treachery is the treachery of a beloved friend and the breaking of pledges.

One who acts with treachery has done injustice to the trust [that was entrusted to him].

From the most grievous forms of treachery is being treacherous with trusts or deposits [that one has been entrusted with].

Do not act treacherously towards one who trusts you, even if he is disloyal with you, and do not disgrace your enemy, even if he disgraces you.

Treachery and brotherhood do not go together.

Keep away from treachery for it is the worst offence, and verily the treacherous one is surely punished with fire for his treachery.

The worst treachery is treachery against the nation.

Treachery is betrayal.

Treachery is the brother of dishonesty.

Treachery is the double of deceit.

Treachery is the cornerstone of hypocrisy.

Treachery is an indication of lack of piety and absence of religiosity.

When treacheries (or offenses) become manifest, blessings are taken away.

Unwelcome are the faces that are not seen except in every evil situation.

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