To make discoveries, you have to be curious about why the universe is the way it is.

The day you stop learning is the day you begin decaying.

Intuition is the art, peculiar to the human mind, of working out the correct answer from data that is, in itself, incomplete or even, perhaps, misleading.

You show me someone who can't understand people and I'll show you someone who has built up a false image of himself.

It is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be. This, in turn, means that our statesmen, our businessmen, our every man must take on a science fictional way of thinking.

There is nothing frightening about an eternal dreamless sleep. Surely it is better than eternal torment in Hell and eternal boredom in Heaven.

Science can amuse and fascinate us all, but it is engineering that changes the world.