There has been no more revolutionary contribution than the one which the Hindus (Indians) made when they invented ZERO.

There is nothing particularly scientific about excessive caution. Science thrives on daring generalizations.

Mathematics is the language of size.

Science for the Citizen is ... also written for the large and growing number of adolescents, who realize that they will be the first victims of the new destructive powers of science misapplied.

Literature is map of humanity, the documenter of civilization. Books introduce us to the landscape of the greatest minds of every century.

if people weren't sinners, every intelligence network would be out of business

You have to identify what you care about and why you care about it. It has to be personal. It has to be something that fires you up or means something to you, or it's not going to drive you.

Unless you go out and say what you stand for, other people will do it for you.

The person I miss most is the one I could have been.

Don't 'just do it.' First, plan it, then do it.

You are not making the change because you are a bad person and you are doing it wrong. You make changes because you love yourself and you want to improve the quality of your life.

The thing that makes me happiest about Simpsons Illustrated are all the drawings that we get from readers. I wish we could print them all. They're really imaginative. They show a lot of hard work.

I'd hasten to say that the prejudice in Dust City isn't completely analogous to racism in the real world.

Indeed, you become what you eat. In which case I am an onion. Layered, slightly sour and guaranteed to bring tears to the eyes.