No fairer destiny could be allotted to any physical theory than that it should of itself point out the way to the introduction of a more comprehensive theory, in which it lives on as a limiting case.

What really interests me is whether God had any choice in the creation of the World.

Education is not received. It is achieved.

In the midst of difficulty lies opportunity.

We are here for the sake of others

When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.

If we knew what it was we were doing, it would not be called research, would it?