A few observation and much reasoning lead to error; many observations and a little reasoning to truth.
Alexis Carrel

A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.
Bertrand Russell

A philosopher is, no doubt, entitled to examine even those distinctions that are to be found in the structure of all languages... in that case, such a distinction may be imputed to a vulgar error, which ought to be corrected in philosophy.
Thomas Reid

A small error in the former will produce an enormous error in the latter.
Henri Poincare

A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.
Isaac Asimov

Acting is like a high wire act. Your margin for error is very slim.
Christine Baranski

Action and reaction, ebb and flow, trial and error, change - this is the rhythm of living. Out of our over-confidence, fear; out of our fear, clearer vision, fresh hope. And out of hope, progress.
Bruce Barton

Admitting Error clears the Score, And proves you Wiser than before.
Arthur Guiterman

All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.
John Locke

An error does not become truth by reason of multiplied propagation, nor does truth become error because nobody sees it.
Mohandas Gandhi

An error doesn't become a mistake until you refuse to correct it.
Orlando A. Battista

An error is the more dangerous in proportion to the degree of truth which it contains.
Henri Frederic Amiel

Any man can make mistakes, but only an idiot persists in his error.
Marcus Tullius Cicero

Any man is liable to err, only a fool persists in error.
Marcus Tullius Cicero

Any man worth his salt will stick up for what he believes right, but it takes a slightly better man to acknowledge instantly and without reservation that he is in error.
Andrew Jackson

Anyone nit-picking enough to write a letter of correction to an editor doubtless deserves the error that provoked it.
Alvin Toffler

Art has a double face, of expression and illusion, just like science has a double face: the reality of error and the phantom of truth.
Publilius Syrus

Be bold. If you're going to make an error, make a doozy, and don't be afraid to hit the ball.
Billie Jean King

Be calm in arguing; for fierceness makes error a fault, and truth discourtesy.
George Herbert

Be precise. A lack of precision is dangerous when the margin of error is small.
Donald Rumsfeld