Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.

I have no special talent. I am only passionately curious.

I want to know what God thinks. The rest are details.

We cannot despair of humanity, since we ourselves are human beings.

Sometimes one pays most for the things one gets for nothing.

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

Keep fighting until the last buzzer sounds.