Running overtime is the one unforgivable error a lecturer can make. After fifty minutes (one microcentury as von Neumann used to say) everybody's attention will turn elsewhere.
Gian-Carlo RotaWe often hear that mathematics consists mainly of "proving theorems." Is a writer's job mainly that of "writing sentences?"
Gian-Carlo RotaThe pendulum of mathematics swings back and forth towards abstraction and away from it with a timing that remains to be estimated.
Gian-Carlo RotaOur faith in Mathematics is not likely to wane if we openly acknowledge that the personalities of even the greatest mathematicians may be as flawed as those of anyone else.
Gian-Carlo Rota