“It is not when truth is dirty, but when it is shallow, that the lover of knowledge is reluctant to step into its waters.”

“Not when truth is dirty, but when it is shallow, does the enlightened man dislike to wade into its waters”

“So long as the priest, that denier, calumniator and poisoner of life by profession, still counts as a higher kind of human being, there can be no answer to the question: what is truth? One has already stood truth on its head when the conscious advocate of denial and nothingness counts as the representative of ‘truth”

“I change too quickly: my today refutes my yesterday. When I ascend I often jump over steps, and no step forgives me that.”

“Every acquisition, every step forward in knowledge is the result of courage, of severity toward oneself, of cleanliness with respect to oneself.”

“Or is it this: To feed on the acorns and grass of knowledge, and for the sake of truth to suffer hunger in one's soul?”

“The happiness of man is: I will. The happiness of woman is: he wills. ‘Behold, just now the world became perfect!’—thus thinks every woman when she obeys out of entire love. And women must obey and find a depth for her surface. Surface is the disposition of woman: a mobile, stormy film over shallow water. Man’s disposition, however, is deep; his river roars in subterranean caves: woman feels his strength but does not comprehend it.”