Many a man may look respectable, and yet be able to hide at will behind a spiral staircase.

Delusion: belief said to be false by someone who does not share it.

I am always at a loss to know how much to believe my own stories.

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

Everything that deceives can be said to enchant.

One may smile and smile and be a villain.

One is never so easily fooled as when one thinks one is fooling others.

When a man wants to deceive you, he'll find a way of escape through the tiniest of holes.

We are never deceived: we deceive ourselves.

In football it is widely acknowledged that if both sides agree to cheat, cheating is fair.

One of the saddest lessons of history is this: if we've been bamboozled long enough, we tend to reject any evidence of the bamboozle. The bamboozle has captured us. Once you give a charlatan power over you, you almost never get it back.

We are more often treacherous through weakness than through calculation.

The ability to delude yourself might be an important survival tool ... Delusions of grandeur make me feel a lot better about myself.

The secret of life is to appreciate the pleasure of being terribly deceived.

One should always play fairly when one has the winning cards.

I give you bitter pills in sugar coating. The pills are harmless, the poison is in the sugar.

Any woman can fool a man if she wants to and if he's in love with her.

You can fool some of the people all of the time, and those are the ones you need to concentrate on.

You can fool all of the people some of the time, and some of the people all of the time. But you cannot fool all of the people all of the time.

People are deceived in masses, but enlightened one at a time.