"It does not matter what we have believed," Caleb said. "What matters is the truth."
--Jovah's Angel by Sharon Shinn
maybe it's just my most recent physchem lecture talking, but my instant response to that was 'truth is a state function'. Or perhaps 'perceived truth', and 'should be'. (i.e., shouldn't depend on the history preceding current perceived truth)
Another monthly installment of the rationality quotes thread. The usual rules apply: