Man is still the most extraordinary computer of all – John F. Kennedy

Those who dare to fail miserably can achieve greatly – John F. Kennedy

The problems of the world cannot possibly be solved by skeptics or cynics whose horizons are limited by the obvious realities. We need men who can dream of things that never were – John F. Kennedy

Our problems are man-made, therefore they may be solved by man. And man can be as big as he wants. No problem of human destiny is beyond human beings – John F. Kennedy

Let both sides seek to invoke the wonders of science instead of its terrors. Together let us explore the stars, conquer the deserts, eradicate disease, tap the ocean depths, and encourage the arts and commerce – John F. Kennedy

There are many people in the world who really don’t understand-or say they don’t-what is the great issue between the free world and the Communist world. Let them come to Berlin! – John F. Kennedy