In all the creative work that I have done, what has come first is a problem, a puzzle involving discomfort.

Freedom in education has many aspects. There is first of all freedom to learn or not to learn. Then there is freedom as to what to learn. And in later education there is freedom of opinion.

I suggest to young professors that their first work should be written in a jargon only to be understood by the erudite few. With that behind them, they can ever after say what they have to say in a language 'understand of the people.'

Herd pressure is to be judged by two things: first, its intensity, and second, its direction.

The first step in wisdom, as well as in morality, is to open the windows of the ego as wide as possible.

We believe, first and foremost, what makes us feel that we are fine fellows.