The lack of real contact between mathematics and biology is either a tragedy, a scandal or a challenge, it is hard to decide which.

Stan Ulam was lazy, ... He talked too much ... He was self-centered ... . He had an overpowering personality.

Philosophers and psychiatrists should explain why it is that we mathematicians are in the habit of systematically erasing our footsteps. Scientists have always looked askance at this strange habit of mathematicians, which has changed little from Pythagoras to our day.

The advice we give others is the advice that we ourselves need.

The lack of real contact between mathematics and biology is either a tragedy, a scandal or a challenge, it is hard to decide which.

Nature imitates mathematics.

It is a common public relations gimmick to give the entire credit for the solution of famous problems to the one mathematician who is responsible for the last step.