Authors:

It is oppression that creates sex and not the contrary. The contrary would be to say that sex creates oppression, or to say that the cause (origin) of oppression is to be found in sex itself, in a natural division of the sexes preexisting (or outside of) society.

Monique Wittig (1992). “The Straight Mind: And Other Essays”, Beacon Press (MA)
It is oppression that creates sex and not the contrary. The contrary would be to say that sex creates oppression, or to say that the cause (origin) of oppression is to be found in sex itself, in a natural division of