As a man who had spent many years observing the imperial court, Seneca knew all about darkness. Caligula, resentful of his brilliance, had only narrowly been dissuaded from having him put to death; Claudius, offended by his adulterous affair with one of Caligula’s sisters, had banished him to Corsica; Agrippina, looking for someone to rein in the vicious instincts of her son, had appointed him Nero’s tutor. Seneca, who would ultimately be compelled by his erstwhile
