Quote Origin: Once a Philosopher; Twice a Pervert

Voltaire? Richard Francis Burton? Judith Krantz? Bennett Cerf? Norman Mailer? Jean Cocteau? Apocryphal? Question for Quote Investigator: A notorious anecdote claims that a prominent philosopher was once asked to join a group of libertines engaging in carnal behavior. The philosopher consented, and the group admired the performance. Yet, when asked to join the group again …