If one knows only what one is told, one does not know enough to be able to arrive at a well-balanced decision.

You may assume infinite ignorance and unlimited intelligence.

When a scientist says something, his colleagues must ask themselves only whether it is true. When a politician says something, his colleagues must first of all ask, 'Why does he say it?

Do not destroy what you cannot create.

If you want to succeed in the world, you don't have to be much cleverer than other people. You just have to be one day earlier.

A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify.

I'm all in favor of the democratic principle that one idiot is as good as one genius, but I draw the line when someone takes the next step and concludes that two idiots are better than one genius.