All one can really leave one’s children is what’s inside their heads. Education, in other words, and not earthly possessions, is the ultimate legacy, the only thing that cannot be taken away.

It [the rocket] will free man from his remaining chains, the chains of gravity which still tie him to this planet. It will open to him the gates of heaven.

I’m convinced that before the year 2000 is over, the first child will have been born on the moon.

The rocket worked perfectly except for landing on the wrong planet.