For those who believe, no proof is necessary. For those who don't believe, no proof is possible.

For those who believe, no proof is necessary. For those who don't believe, no proof is possible.

Believe none of what you hear and half of what you see.

Believe none of what you hear and half of what you see.

Never believe your doubts and never doubt your beliefs.

Never believe your doubts and never doubt your beliefs.

Men often become what they believe themselves to be. If I believe I cannot do something, it makes me incapable read more

Men often become what they believe themselves to be. If I believe I cannot do something, it makes me incapable of doing it. But when I believe I can, then I acquire the ability to do it even if I didn't have it in the beginning.

The belief that there is only one truth, and that oneself is in possession of it, is the root of read more

The belief that there is only one truth, and that oneself is in possession of it, is the root of all evil in the world

Believe and act as if it were impossible to fail.

Believe and act as if it were impossible to fail.

You don't tell deliberate lies, but sometimes you have to be evasive.

You don't tell deliberate lies, but sometimes you have to be evasive.

Nothing splendid has ever been achieved except by those who dared believe that something inside of them was superior to read more

Nothing splendid has ever been achieved except by those who dared believe that something inside of them was superior to circumstances

If you wish others to believe in you, you must first convince them that you believe in them

If you wish others to believe in you, you must first convince them that you believe in them