Quotes about truth from http://www.heartquotes.net/Truth.html

Harry Truman
I never give them hell. I just tell the truth and they think it's hell.

Proverb
Truth fears no trial.

Winston Churchill
Men stumble over the truth from time to time, but most pick themselves up and hurry off as if nothing happened.

Confucious
Three things cannot long be hidden the sun, the moon, and the truth.

Susan Sontag
Lying is the most simple form of self-defence.

Albert Schweitzer
Truth has not special time of its own. Its hour is now—always and indeed then most truly when it seems unsuitable to actual circumstances.

Martin Luther King
I believe that unarmed truth and unconditional love will have the final word in reality. This is why right, temporarily defeated, is stronger than evil triumphant.

Sir Arthur Conan Doyle
... when you have eliminated the impossible, that which remains, however improbable, must be the truth.

Malcolm X
I'm for truth, no matter who tells it. I'm for justice, no matter who it's for or against.

Charles Colton
The greatest friend of truth is time, her greatest enemy is prejudice, and her constant companion humility.

Carl Jung
We should not pretend to understand the world only by the intellect; we apprehend it just as much by feeling. Therefore, the judgement of the intellect is, at best, only the half of truth, as must, if it be honest, also come an understanding of its inadequacy.

Oscar Wilde
The pure and simple truth is rarely pure and never simple.