Performing one’s gender wrong initiates a set of punishments both obvious and indirect, and performing it well provides the reassurance that there is an essentialism of gender identity after all. That this reassurance is so easily displaced by anxiety, that culture so readily punishes or marginalizes those who fail to perform the illusion of gender essentialism should be sign enough that on some level there is social knowledge that the truth or falsity of gender is only socially compelled and in no sense ontologically necessitated.
—  Judith Butler, “Performative Acts and Gender Constitution” (528)