A resolution never to deceive exposes a man to be often…

To awaken a man who is deceived as to his own merit is to do him as bad a turn as that done to…

— Francois de La Rochefoucauld

It is as easy to unknowingly deceive yourself as it is to deceive others.

— Francois de La Rochefoucauld

It is as easy to deceive one's self without perceiving it, as it is difficult to deceive others without their finding out.

— Francois de La Rochefoucauld

Appearances are deceitful, I know, but so long as they are, there's nothing like having them deceive for us instead of against us.

— George Horace Lorimer

He who has made it a practice to lie and deceive his father, will be the most daring in deceiving others.

— Horace

Those who deceive others, deceive themselves, as they will find at last, to their cost.

— Matthew Henry

When we successfully deceive others, they are not aware of it; the same is true with self-deception.

— Mardy Grothe

There are many who have grave scruples about deceiving but think it as nothing to deceive themselves.

— Eric Hoffer

It is in the ability to deceive oneself that the greatest talent is shown.

— Anatole France

Even good people are obliged to deceive.

— Greg LeMond

We never deceive for a good purpose: knavery adds malice to falsehood.

— Jean de la Bruyere

Liars share with those they deceive the desire not to be deceived.

— Sissela Bok

Nothing is more easy than to deceive one's self, as our affections are subtle persuaders.

— Demosthenes

It is quite as ignominious to allow oneself to be deceived as to deceive.

— Christina, Queen of Sweden

It's not right to hurt or deceive someone who's already been hurt and deceived.

— John Irving