Every fact and every work exercises a fresh persuasion over every age and every new species of man. History always enunciates new truths.
Friedrich NietzscheTo recognize untruth as a condition of life--that certainly means resisting accustomed value feelings in a dangerous way; and a philosophy that risks this would by that token alone place itself beyond good and evil.
Friedrich NietzscheTheir usual mistaken premise is that they affirm some consensus among people, at least among tame peoples, concerning certain moral principles, and then conclude that these principles must be unconditionally binding also for you and me-or conversely, they see that among different peoples moral valuations are necessarily different and infer from this that no morality is binding-both of which are equally childish.
Friedrich Nietzsche