One good test is worth a thousand expert opinions.

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

It is in scientific honesty that I endorse the presentation of alternative theories for the origin of the universe, life and man in the science classroom. It would be an error to overlook the possibility that the universe was planned rather than happening by chance.

We should remember that science exists only because there are people, and its concepts exist only in the minds of men. Behind these concepts lies the reality which is being revealed to us, but only by the grace of God.

Man is not made for space. But with the help of biologists and medical doctors, he can be prepared and accommodated.

The greatest gain from space travel consists in the extension of our knowledge. In a hundred years this newly won knowledge will pay huge and unexpected dividends.

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