I sometimes ask myself how it came about that I was the one to develop the theory of relativity. The reason, I think, is that a normal adult never stops to think about problems of space and time. These are things which he has thought about as a child. Bu t my intellectual development was retarded,as a result of which I began to wonder about space and time only when I had already grown up.

Thinking like we (always) have is what got us where we are. It is not going to get us where we are going.

Only world law can assure progress towards a civilized peaceful community.

The true sign of intelligence is not knowledge but imagination.

We must learn to see the world anew.

Without changing our pattern of thought, we will not be able to solve the problems we created with our current patterns of thought

It is a very grave mistake to think that the enjoyment of seeing and searching can be promoted by means of coercion and a sense of duty. To the contrary, I believe it would be possible to rob even a healthy beast of prey of its voraciousness, if it were possible, with the aid of a whip, to force the beast to devour continuously, even when not hungry.