The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.
Rene Descartes

You can't know your real mind as long as you deceive yourself.
Bodhidharma

O, what a tangled web we weave when first we practise to deceive!
Walter Scott

We must distinguish between speaking to deceive and being silent to be reserved.
Voltaire

When a person cannot deceive himself the chances are against his being able to deceive other people.
Mark Twain

Faked enthusiasm is worse than bad acting - it is bad acting with the intent to deceive.
Bo Bennett

I've come to learn that the determined and gifted and genuine sociopath has far more power to deceive than we realize.
Walter Kirn