God was invented to explain mystery. God is always invented to explain those things that you do not understand.

A very great deal more truth can become known than can be proven.

The game I play is a very interesting one. It's imagination in a straightjacket, which is this: that it has to agree with the known laws of physics. ... It requires imagination to think of what's possible, and then it requires an analysis back, checking to see whether it fits, whether its allowed, according to what's known, okay?

But the real glory of science is that we can find a way of thinking such that the law is evident.

There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower.

Work as hard and as much as you want to on the things you like to do the best.

The problem of creating something new, but which is consistent with everything which has been seen before, is one of extreme difficulty.