"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
Ideas are everywhere, but knowledge is rare.
The goal of mathematics is to make the simple complicated, and the complicated simple.
"A personality is a full Congress of orators and pressure-groups, of children, demagogues, communists, isolationists, war-mongers, mugwumps, grafters, prayer-meetings, spiritualists, and astrologers."