A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.

I don't think that people accept the fact that life doesn't make sense. I think it makes people terribly uncomfortable.

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

Don’t ever respond to a solicitation or a proposal on the phone. The urgency is a disguise.

Sustainability isn't an option—it's the only path forward for any industry that wants to thrive in the future.