A good stack of examples, as large as possible, is indispensable for a thorough understanding of any concept,and when I want to learn something new, I make it my first job to build one.

The author discusses valueless measures in pointless spaces.

The computer is important, but not to mathematics.

When a student comes and asks, "Should I become a mathematician?" the answer should be no. If you have to ask, you shouldn't even ask.

To be a scholar of mathematics you must be born with talent, insight, concentration, taste, luck, drive and the ability to visualize and guess.

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

I read once that the true mark of a pro - at anything - is that he understands, loves, and is good at even the drudgery of his profession.