Physics is the science of all the tremendously powerful invisibilities - of magnetism, electricity, gravity, light, sound, cosmic rays. Physics is the science of the mysteries of the universe. How could anyone think it dull?

Good manners are a sign of strength.

Logic doesn't stop you feeling. You can behave logically and it can hurt like hell. Or it can comfort you. Or release you. Or all at the same time

Historically, more people have died of religion than cancer.

Let an idea swim to the surface like a fish in a pool...let the mind drift to the vision.

THE KNOWN CHILD I wondered to what extent people remained the same as they'd been when very young; if one peeled back the layers of living one would come to the known child.

Most people think, when they're young, that they're going to the top of their chosen world, and that the climb up is only a formality. Without that faith, I suppose, they might never start. Somewhere on the way they lift their eyes to the summit and know they aren't going to reach it; and happiness then is looking down and enjoying the view they've got, not envying the one they haven't.