The Athenian gadfly who knew only that he knew nothing — and asked the questions that got him killed.
The shadowy old master of the Tao Te Ching, for whom water defeats stone, soft outlasts hard, and the wisest doing looks like not doing at all.
He made every person priceless and unusable as a means — then printed a ranking of the human races and refused to lie to a murderer at the door.
The Victorian novelist who made sympathy a method of knowledge — and measured a life by its unhistoric acts, not its fame.