It is the duty of all teachers, and of teachers of mathematics in particular, to expose their students to problems much more than to facts.

You are allowed to lie a little, but you must never mislead.

The computer is important, but not to mathematics.

A smooth lecture... may be pleasant; a good teacher challenges, asks, irritates and maintains high standards - all that is generally not pleasant.

Mathematics - this may surprise or shock some - is never deductive in creation.

Feller was an ebullient man, who would rather be wrong than undecided.

If the NSF had never existed, if the government had never funded American mathematics, we would have half as many mathematicians as we now have, and I don't see anything wrong with that.