A mathematician's work is mostly a solitary pursuit, but it is also deeply collaborative.

"To write is to confront the chaos within and without, to find order in the disorder."

Success is not measured by profits alone, but by the positive impact we leave on society.

"Writing is a way of talking without being interrupted."

"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."