Karl Popper - Truth Quotes

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There are uncertain truths — even true statements that we may take to be false — but there are no uncertain certainties.
Since we can never know anything for sure, it is simply not worth searching for certainty; but it is well worth searching for truth; and we do this chiefly by searching for mistakes, so that we have to correct them.

Karl Popper
Our aim as scientists is objective truth; more truth, more interesting truth, more intelligible truth. We cannot reasonably aim at certainty. Once we realize that human knowledge is fallible, we realize also that we can never be completely certain that we have not made a mistake.

Karl Popper
It is not his possession of knowledge, of irrefutable truth, that makes the man of science, but his persistent and recklessly critical quest for truth.

Karl Popper
I may be wrong and you may be right, and by an effort, we may get nearer to the truth

Karl Popper
The genuine rationalist does not think that he or anyone else is in possession of the truth; nor does he think that mere criticism as such helps us achieve new ideas. But he does think that, in the sphere of ideas, only critical discussion can help us sort the wheat from the chaff.

Karl Popper
We have no reason to regard the new theory as better than the old theory — to believe that it is nearer to the truth — until we have derived from the new theory new predictions which were unobtainable from the old theory (the phases of Venus.) and until we have found that these new predictions were successful.

Karl Popper
Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement....

Karl Popper
Knowledge consists in the search for truth — the search for objectively true, explanatory theories.

Karl Popper