The "clean man" is originally only a man who washes himself, who abstains from certain foods which are conducive to skin diseases, who does not sleep with the unclean women of the lower classes, who has a horror of blood—not more, not much more!
 Friedrich Nietzsche, On the Genealogy of Morality (1887). copy citation

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Author Friedrich Nietzsche
Source On the Genealogy of Morality
Topic food women
Date 1887
Language English
Reference
Note Translated by Horace B. Samuel
Weblink https://en.wikisource.org/wiki/The_Genealogy_of_Morals

Context

“all the ideas of ancient man have, on the contrary, got to be understood in their initial stages, in a sense which is, to an almost inconceivable extent, crude, coarse, physical, and narrow, and above all essentially unsymbolical. The "clean man" is originally only a man who washes himself, who abstains from certain foods which are conducive to skin diseases, who does not sleep with the unclean women of the lower classes, who has a horror of blood—not more, not much more! On the other hand, the very nature of a priestly aristocracy shows the reasons why just at such an early juncture there should ensue a really dangerous sharpening and intensification of opposed values:” source