I would encourage every American to walk as often as possible. It's more than healthy; it's fun.

Let us never negotiate out of fear. But let us never fear to negotiate.

The cost of freedom is always high, but Americans have always paid it. And one path we shall never choose, and that is the path of surrender, or submission.

Conformity is the jailer of freedom and the enemy of growth.

If an American, because his skin is dark, cannot eat lunch in a restaurant open to the public, if he cannot send his children to the best public school available, if he cannot vote for the public officials who represent him, if, in short, he cannot enjoy the full and free life which all of us want, then who among us would be content to have the color of his skin changed and stand in his place? Who among us would then be content with the counsels of patience and delay?

The United States of America has no intention of finishing second in space. This effort is expensive-but it pays its way for freedom and for America.

We stand for freedom. That is our conviction for ourselves; that is our only commitment to others.