Simone de Beauvoir's memoir that includes her interaction with Simone Weil at the Sorbonne, where they argued about revolution versus the meaning of existence.
"My meeting with Simone Weil. While preparing to enter the Normale — the training-college in Paris for professoriates - she was taking the same examinations as myself at the Sorbonne. She intrigued me because of her great reputation for intelligence and her bizarre get-up; she would stroll round the "