The science of today is the technology of tomorrow.

Physics without mathematics is meaningless.

I tried to contribute to the defeat of the Soviets. If I contributed 1%, it is 1% of something enormous.

In our educational institutions applied science may almost be described as a "no-man's land."

No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect.

The best weapon of a dictatorship is secrecy; the best weapon of a democracy is openness.

Life improves slowly and goes wrong fast, and only catastrophe is clearly visible.