Neither smiles nor frowns, neither good intentions nor harsh words, are a substitute for strength.

We in this country, in this generation, are, by destiny rather than choice, the watchmen on the walls of world freedom.

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 basic problems facing the world today are not susceptible to a military solution.

We set sail on this new sea because there is new knowledge to be gained, and new rights to be won, and they must be won and used for the progress of all people. For space science, like nuclear science and technology, has no conscience of its own. Whether it will become a force for good or ill depends on man, and only if the United States occupies a position of preeminence can we help decide whether this new ocean will be a sea of peace or a new terrifying theater of war.

I not only could not stifle controversy among your readers.. I welcome it. This Administration intends to be candid about its errors; for as a wise man once said: "An error does not become a mistake until you refuse to correct it." We intend to accept full responsibility for our errors; and we expect you to point them out when we miss them.

A man may die, nations may rise and fall, but an idea lives on.