You still could go to some industry or some university or the government and if you could persuade them you had something on the ball—why, then, they might put up the cash after cutting themselves in on just about all of the profits. And, naturally, they'd run the show because it was their money and all you had done was the sweating and the bleeding.

The chain of life runs smoothly from one generation to the next and none of the links stand out except here and there a link one sees by accident.

Much of what we see in the universe ... starts out as imaginary. Often you must imagine something before you can come to terms with it.

This is the very center of everything there is. A huge black hole eating up the galaxy. The end of everything.

We came into a homeless frontier, a place where we were not welcome, where nothing that lived was welcome, where thought and logic were abhorrent and we were frightened, but we went into this place because the universe lay before us, and if we were to know ourselves, we must know the universe

Time is still the great mystery to us. It is no more than a concept; we don't know if it even exists.

You still could go to some industry or some university or the government and if you could persuade them you had something on the ball—why, then, they might put up the cash after cutting themselves in on just about all of the profits. And, naturally, they'd run the show because it was their money and all you had done was the sweating and the bleeding.