Theodore Roosevelt once said that the White House is a great pulpit from which to preach, and I would like to preach not only the vigorous life which… - John F. Kennedy

Finally, it should be clear by now that a nation can be no stronger abroad than she is at home. Only an America which practices what it preaches about equal rights and social justice will be respected by those whose choice affects our future. Only an America which has fully educated its citizens is fully capable of tackling the complex problems and perceiving the hidden dangers of the world in which we live. And only an America which is growing and prospering economically can sustain the worldwide defenses of freedom, while demonstrating to all concerned the opportunities of our system and society.

Marshal Lyautey, who was the great French Marshal in North Africa, was once talking to his gardener and he suggested that he plant a tree, and the gardener said, "Well, why plant it? It won't flower for 100 years." And Marshal Lyautey said, "In that case, plant it this afternoon." I think that is good advice for all of us.

Yet the vows of this Nation can only be fulfilled if we in this Nation are first, and, therefore, we intend to be first. In short, our leadership in science and industry, our hopes for peace and security, our obligations to ourselves as well as others, all require us to make this effort, to solve these mysteries, to solve them for the good of all men, and to become the world's leading space-faring nation.