Arms alone are not enough to keep the peace. It must be kept by men.

The exploration of space will go ahead, whether we join in it or not, and it is one of the great adventures of all time, and no nation which expects to be the leader of other nations can expect to stay behind in this race for space.

With all of the history of war, and the human race's history unfortunately has been a good deal more war than peace, with nuclear weapons distributed all through the world, and available, and the strong reluctance of any people to accept defeat, I see the possibility in the 1970's of the President of the United States having to face a world in which 15 or 20 or 25 nations may have these weapons.

We have all seen these circus elephants complete with tusks, ivory in their head and thick skins, who move around the circus ring and grab the tail of the elephant ahead of them.

[High income tax rates] not only check consumption but discourage investment and encourage...the avoidance of taxes [rather] than the production of goods.[...]Our present tax system...reduces the financial incentives for personal effort, investment, and risk-taking.

Life in freedom is not easy, and democracy is not perfect.

Race has no place in American life or law.