Suspicion invites treachery. [ Voltaire ]

Trust makes way for treachery. [ Proverb ]

Alas, for the treachery of opportunity! [ Ninon de Lenclos ]

The smooth speeches of the wicked are full of treachery. [ Phaedrus ]

Openness has the mischief though not the malice of treachery. [ Proverb ]

Under the fair words of a bad man there lurks some treachery. [ Phaedr ]

It is not possible to found a lasting power upon injustice, perjury, and treachery. [ Demosthenes ]

Tricks and treachery are the practice of fools that have not wit enough to be honest. [ Benjamin Franklin ]

In treachery it is not the fraud, but the cold-heartedness, that is chiefly dreadful. [ John Ruskin ]

Treachery don't come natural to beaming youth: but trust and pity, love and constancy, they do. [ Dickens ]

Learn now of the treachery of the Greeks, and from one example the character of the nation may be known. [ Virgil ]

The zeal which begins with hypocrisy must conclude in treachery; at first it deceives, at last it betrays. [ Bacon ]

If wealth come, beware of him, the smooth, false friend! There is treachery in his proffered hand; his tongue is eloquent to tempt; lust of many harms is lurking in his eye; he hath a hollow heart; use him cautiously. [ Tupper ]

Though no participator in the joys of more vehement sport, I have a pleasure that I cannot reconcile to my abstract notions of the tenderness due to dumb creatures, in the tranquil cruelty of angling. I can only palliate the wanton destructiveness of my amusement by trying to assure myself that my pleasure does not spring from the success of the treachery I practice toward a poor little fish, but rather from that innocent revelry in the luxuriance of summer life which only anglers enjoy to the utmost. [ Bulwer-Lytton ]