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

If not for me, the H-bomb would have been developed in Russia first. In the U.S., we'd now be speaking Russian.

One may say that predictions are dangerous particularly for the future. If the danger involved in a prediction is not incurred, no consequence follows and the uncertainty principle is not violated.

Secrecy, once accepted, becomes an addiction.

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

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

[Chemistry] laboratory work was my first challenge. ... I still carry the scars of my first discovery-that test-tubes are fragile.