For some natures, changing their opinions is just as much a requirement of cleanliness as changing their clothes: for others, however, it is merely a requirement of vanity.
Friedrich NietzscheThose people have no real interest in a science who only begin to get excited about it when they themselves have made discoveries in it.
Friedrich NietzscheDo you believe then that the sciences would ever have arisen and become great if there had not before hand been magicians, alchemists, astrologers and wizards, who thirsted and hungered after abscondite and forbidden powers?
Friedrich Nietzsche