Philosophy, as I have understood it hitherto, is a voluntary retirement into regions of ice and mountain-peaks — the seeking — out of everything strange and questionable in existence, everything upon which, hitherto, morality has set its ban. Through long experience, derived from such wanderings in forbidden country, I acquired an opinion very different from that which may seem generally desirable, of the causes which hitherto have led to men’s moralizing and idealizing…

— Friedrich Nietzsche, Ecce Homo