Never let yourself be persuaded that any one Great Man, any one leader, is necessary to the salvation of America. When America consists of one leader and 158 million followers, it will no longer be America.

Any nations right to a form of government and economic system of its own choosing is inalienable. Any nations attempt to dictate to other nations their form of government is indefensible.

Yet, in holding scientific research and discovery in respect, as we should, we must also be alert to the equal and opposite danger that public policy could itself become the captive of a scientific-technological elite.

The peace we seek and need means much more than mere absence of war. It means the acceptance of law, and the fostering of justice, in all the world.

For all that we cherish and justly desire - for ourselves or for our children - the securing of peace is the first requisite.

The world must learn to work together, or finally it will not work at all.

Knowledge-full, unfettered knowledge of its own heritage, of freedom's enemies, of the whole world of men and ideas-this knowledge is a free people's surest strength.