How many pizzas are consumed each year in the United States? How many words have you spoken in your life? How many different peoples names appear in the New York Times each year? How many watermelons would fit inside the U.S. Capital building? What is the volume of all the human blood in the world?

The Internet is the world's largest library. It's just that all the books are on the floor.

Mathematics is no more computation than typing is literature.

So many see themselves as aggrieved; so few see themselves as aggrievers.

Mathematicians are a bit like the laconic Vermonter who, when asked if he's lived in the state his whole life, replies, "Not yet."

Uncertainty is the only certainty there is, and knowing how to live with insecurity is the only security

Uncertainty would be the only certainty there's, and realizing how to stay with insecurity could be the only protection