Truth is that concordance of an abstract statement with the ideal limit towards which endless investigation would tend to bring scientific belief, which concordance the abstract statement may possess by virtue of the confession of its inaccuracy and one-sidedness, and this confession is an essential ingredient of truth.
Charles Sanders Peirce (1839–1914), U.S. philosopher, logician. Originally published in Dictionary of Philosophy and Psychology, vol. 2 (1901). "Truth and Falsity and Error," Collected Papers, vol. 5, para. 565, Harvard University Press (1934).