Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

Imagination is the highest form of research.

[Kepler] had to realize clearly that logical-mathematical theoretizing, no matter how lucid, could not guarantee truth by itself; that the most beautiful logical theory means nothing in natural science without comparison with the exactest experience. Without this philosophic attitude, his work would not have been possible.

Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

Israel is the only place on earth where Jews have the possibility to shape public life according to their own traditional ideals.

There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.

I have just got a new theory of eternity.