Technology has advanced more in the last thirty years than in the previous two thousand. The exponential increase in advancement will only continue.

When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images.

Advancement only comes with habitually doing more than you are asked.

Humanity will... be confronted with dangers of unprecedented character unless, in due time, measures can be taken to forestall a disastrous competition in such formidable armaments and to establish an international control of the manufacture and use of the powerful materials.

Thirty thousand dollars is 180,000 rand. And $180,000 is a lot more than that over there.

Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.