If sometimes our great artists have been the most critical of our society, it is because their sensitivity and their concern for justice, which must motivate any true artist, makes him aware that our nation falls short of its highest potential. I see little of more importance to the future of our country and our civilization than full recognition of the place of the artist.

A police state finds that it cannot command the grain to grow.

Richard Cromwell was not fit to wear the mantle of his uncle.

I think the American people expect more from us than cries of indignation and attack. The times are too grave, the challenge too urgent, and the stakes too high - to permit the customary passions of political debate.

Science contributes to our culture in many ways, as a creative intellectual activity in its own right, as the light which has served to illuminate man's place in the universe, and as the source of understanding of man's own nature.

The most powerful single force in the world today is neither Communism nor Capitalism, neither the H-bomb nor the guided missile -- it is man's eternal desire to be free and independent.

We must live our lives in such a way that our children, and their children after them, will form a natural and lasting commitment to the vigorous life. Only in this way can we be assured that the spirit and strength of America will be constantly replenished.