No one likes having offended another person; hence everyone feels so much better if the other person doesn't show he's been offended. Nobody likes being confronted by a wounded spaniel. Remember that. It is much easier patiently - and tolerantly - to avoid the person you have injured than to approach him as a friend. You need courage for that.

Nothing is so difficult as not deceiving oneself.

We could present spatially an atomic fact which contradicted the laws of physics, but not one which contradicted the laws of geometry.

Russell's books should be bound in two colours, those dealing with mathematical logic in red - and all students of philosophy should read them; those dealing with ethics and politics in blue - and no one should be allowed to read them.

One is unable to notice something because it is always before one's eyes.

Man has to awaken to wonder - and so perhaps do peoples. Science is a way of sending him to sleep again.

If you and I are to live religious lives, it mustn't be that we talk a lot about religion, but that our manner of life is different. It is my belief that only if you try to be helpful to other people will you in the end find your way to God.