Gilles Deleuze. Nietzsche (№ 325653)

For the education of the true philosopher, perhaps, necessary that he himself once stood on all those steps, which remain and should remain his servants, the scientific workers of philosophy; maybe he should be a critic and a skeptic and dogmatic, and historian, and, in addition, poet and collector and traveler and guesser of riddles and moralist and prophet and "free thinking" and nearly all to go through the whole range of human values and of different kind of feelings of value, to be able to watch different eyes and with different consciences from the heights into every distance, from the depths into every height, from the corner in every space. But all these are only preconditions of his task; the task requires something else - it requires him to create values