“The ideal of morality has no more dangerous rival than the ideal of supreme strength, of a life of maximum vigor, which has also been called the ideal of aesthetic greatness. That life is in truth the ultimate attainment of the barbarian, and unfortunately in these days of civilization’s withering it has won a great many adherents. In pursuance of this ideal man becomes a hybrid thing, a brute-spirit, whose cruel mentality exerts a horrible spell upon weaklings.”