A Quote by Carl Sagan

Absolute certainty will always elude us. We will always be mired in error. The most each generation can hope for is to reduce the error. . . . — © Carl Sagan
Absolute certainty will always elude us. We will always be mired in error. The most each generation can hope for is to reduce the error. . . .
Error is certainty's constant companion. Error is the corollary of evidence. And anything said about truth may equally well be said about error: the delusion will be no greater.
There exists a black kingdom which the eyes of man avoid because its landscape fails signally to flatter them. This darkness, which he imagines he can dispense with in describing the light, is error with its unknown characteristics. Error is certainty's constant companion. Error is the corollary of evidence. And anything said about truth may equally well be said about error: the delusion will be no greater.
There is no such thing as absolute truth and absolute falsehood. The scientific mind should never recognise the perfect truth or the perfect falsehood of any supposed theory or observation. It should carefully weigh the chances of truth and error and grade each in its proper position along the line joining absolute truth and absolute error.
The world always makes the assumption that the exposure of an error is identical with the discovery of truth - that error and truth are simply opposite. They are nothing of the sort. What the world turns to, when it has been cured of one error, is usually simply another error, and maybe one worse than the first one.
It has therewith come to be recognized that the history of moral valuations is at the same time the history of an error, the error of responsibility, which is based upon the error of the freedom of will.
[I]f in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics, in so far as disposed through it we are able to reach certainty in other sciences and truth by the exclusion of error.
Truth is one, but error proliferates. Man tracks it down and cuts it up into little pieces hoping to turn it into grains of truth. But the ultimate atom will always essentially be an error, a miscalculation.
To free a man from error is to give, not to take away. Knowledge that a thing is false is a truth. Error always does harm; sooner or later it will bring mischief to the man who harbors it.
Responding to truth will keep you safe. Reacting to error will only create another error.
Error is a supposition that pleasure and pain, that intelligence, substance, life, are existent in matter. Error is neither Mind nor one of Mind's faculties. Error is the contradiction of Truth. Error is a belief without understanding. Error is unreal because untrue. It is that which stemma to be and is not. If error were true, its truth would be error, and we should have a self-evident absurdity -namely, erroneous truth. Thus we should continue to lose the standard of Truth.
Error is not just acceptable, it is necessary for the continuation of life, provided it is not too great. A large error is a catastrophe, a small error is essential for enhancing existence. Without error, there is no movement. Death follows.
Reason and free inquiry are the only effectual agents against error... They are the natural enemies of error, and of error only... If [free enquiry] be restrained now, the present corruptions will be protected, and new ones encouraged.
The more readily we admit the possibility of our own cherished convictions being mixed with error, the more vital and helpful whatever is right in them will become; and no error is so conclusively fatal as the idea that God will not allow us to err, though He has allowed all other men to do so.
All our knowledge merely helps us to die a more painful death than the animals that know nothing. A day will come when science will turn upon its error and no longer hesitate to shorten our woes. A day will come when it will dare and act with certainty; when life, grown wiser, will depart silently at its hour, knowing that it has reached its term.
No consensus of men can make an error erroneous. We can only find or commit an error, not create it. When we commit an error, we say what was an error already.
A small error in the former will produce an enormous error in the latter.
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