We shall do better to abandon the whole attempt to learn the truthunless we can trust to the human mind's having such a powerof guessing right that before very many hypotheses shall have been tried, intelligent guessing may be expected to lead us to one which will support all tests, leaving the vast majority of possible hypotheses unexamined.

Collected Papers of Charles Sanders Peirce (ed. Harvard University Press, 1974) - ISBN: 9780674138025