Love as a relation between men and women was ruined by the desire to make sure of the legitimacy of children.

The observer, when he seems to himself to be observing a stone, is really, if physics is to be believed, observing the effects of the stone upon himself.

In human relations one should penetrate to the core of loneliness in each person and speak to that.

I used, when I was younger, to take my holidays walking. I would cover 25 miles a day, and when the evening came I had no need of anything to keep me from boredom, since the delight of sitting amply sufficed.

If the State does not acquire supremacy over [vast private] enterprises, it becomes their puppet, and they become the real State.

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.

I am allowed to use plain English because everybody knows that I could use mathematical logic if I chose.