In 1492 Columbus knew less about the far Atlantic than we do about the heavens, yet he chose not to sail with a flotilla of less than three ships. . . . So it is with interplanetary exploration: it must be done on the grand scale.

In 1492 Columbus knew less about the far Atlantic than we do about the heavens, yet he chose not to sail with a flotilla of less than three ships. . . . So it is with interplanetary exploration: it must be done on the grand scale.

I only hope that we shall not wait to adopt the program until after our astronomers have reported a new and unsuspected asteroid moving across their fields of vision with menacing speed. At that point it will be too late!

Conquering the universe one has to solve two problems: gravity and red tape. We could have mastered gravity.

One good test is worth a thousand expert opinions.

Get me a broom. I'll sweep my own office.

My experiences with science led me to God. They challenge science to prove the existence of God. But must we really light a candle to see the sun?