Alfred North Whitehead

Fools act on imagination without knowledge, pedants act on knowledge without imagination.

Ideas won't keep; something must be done about them.

Periods of tranquility are seldom prolific of creative achievement. Mankind has to be stirred up.

I have always had confidence in my own ability.

We like love - we love love - but perhaps its only meaning lies in its ubiquitous meaninglessness. We apprehend it, we feel it, and we think we know it, yet we cannot say what we mean by it.

If every time you engage in a sex act, you go into a confession box, you will never accept your own sexuality.