Against my will, in the course of my travels, the belief that everything worth knowing was known at Cambridge gradually wore off. In this respect my travels were very useful to me.

It is not my prayer and humility that you cause things to go as you wish, but by acquiring a knowledge of natural laws.

I want to say, in all seriousness, that a great deal of harm is being done in the modern world by belief in the virtuousness of WORK, and that the road to happiness and prosperity lies in the organised diminution of work.

The root of the matter is a very simple and old fashioned thing... love or compassion. If you feel this, you have a motive for existence, a guide for action, a reason for courage, an imperative necessity for intellectual honesty.

In regard to the past, where contemplation is not obscured by desire and the need for action, we see, more clearly than in the lives about us, the value for good and evil, of the aims men have pursued and the means they have adopted. It is good, from time to time, to view the present as already past, and to examine what elements it contains that will add to the world's store of permanent possessions, that will live and give life when we and all our generation have perished.

Thinking you know when in fact you don't is a fatal mistake, to which we are all prone

John Locke invented common sense, and only Englishmen have had it ever since!