Keep working. Don't wait for inspiration. Work inspires inspiration. Keep working.

In the information society, nobody thinks. We expect to banish paper, but we actually banish thought.

Exercise invigorates the body and sharpens the mind.

Increasingly, the mathematics will demand the courage to face its implications.

We are all assumed, these days, to reside at one extreme of the opinion spectrum, or another. We are pro-abortion or anti-abortion. We are free traders or protectionists. We are pro-private sector or pro-government. We are feminists or chauvinists. But in the real world, few of us hold these extreme views. There is instead a spectrum of opinion.

I am certain there is too much certainty in the world.

Historically, the claim of consensus has been the first refuge of scoundrels; it is a way to avoid debate by claiming that the matter is already settled.