'One is not born a woman, ...rather one becomes a woman' says Simone de Beauvoir.

 In Simone de Beauvoir’s 1949 book, The Second Sex  she famously claims that “One is not born, ...rather becomes a woman”

Simone de Beauvoir famously claimed that one is not born, but rather becomes a woman, and that “social discrimination produces in women moral and intellectual effects so profound that they appear to be caused by nature” (Beauvoir 1972 [original 1949], 18