We believe that when men reach beyond this planet, they should leave their national differences behind them.

To exclude from positions of trust and command all those below the age of 44 would have kept Jefferson from writing the Declaration of Independence, Washington from commanding the Continental Army, Madison from fathering the Constitution, Hamilton from serving as secretary of the treasury, Clay from being elected speaker of the House and Christopher Columbus from discovering America.

There is nothing more certain and unchanging than uncertainty and change.

Things do not happen. Things are made to happen.

Do not pray for easy lives. Pray to be stronger men.

The first man-made satellite to orbit the earth was named Sputnik. The first living creature in space was Laika. The first rocket to the Moon carried a red flag. The first photograph of the far side of the Moon was made with a Soviet camera. If a man orbits the earth this year his name will be Ivan.

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