It is hard to be sure of anything among so many marvels. The world is all grown strange...How shall a man judge what to do in such times?' 'As he ever has judged,' said Aragorn. 'Good and ill have not changed since yesteryear; nor are they one thing among Elves and Dwarves and another among Men. It is a man's part to discern them, as much in the Golden Wood as in his own house.
J.R.R. Tolkien, The Two Towers
good-and-evil, morality