A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

A mathematician is a machine for turning coffee into theorems.

L’important, ce n’est pas la chute, c’est l’attérissage.

Testing is the process of comparing the invisible to the ambiguous, so as to avoid the unthinkable happening to the anonymous.

I was part of the consensus view on derivatives, and it’s fair to say that the consensus missed it. We should have done more to protect the American people.