The philosopher-emperor who ruled the known world while writing notes to himself on how to stay decent doing it.
Rome's richest philosopher, writing you letters about how little wealth matters — and knowing exactly how that sounds.
Teacher of a collapsing age who held that right names, kept rituals, and daily self-correction — not laws and punishments — make people good.
The inventor of the essay, who made one honest specimen — himself — the measuring instrument for every human question.