Peace need not be impracticable, and war need not be inevitable.

And only the very courageous will be able to keep alive the spirit of individualism and dissent which gave birth to this nation, nourished it as an infant, and carried it through its severest tests upon the attainment of its maturity.

The first man-made satellite to orbit the earth was named Sputnik. The first living creature in space was Laika. The first rocket to the Moon carried a red flag. The first photograph of the far side of the Moon was made with a Soviet camera. If a man orbits the earth this year his name will be Ivan.

As science, of necessity, becomes more involved with itself, so also, of necessity, it becomes more international. I am impressed to know that of the 670 members of this Academy

Nor problem of human destiny is beyond human beings.

Every American ought to have the right to be treated as he would wish to be treated, as one would wish his children to be treated. This is not the case.

You know nothing for sure...except the fact that you know nothing for sure.