Pioneering in space was something I would willingly give my life for.

At no time, when the astronauts were in space were they alone, there was a constant surveillance by UFOs.

This planet is not terra firma. It is a delicate flower and it must be cared for. It's lonely. It's small. It's isolated, and there is no resupply. And we are mistreating it.

The flight experience itself is incredible. It's addictive. It's transcendent. It is a view of the grand plan of all things that is simply unforgettable.

Satisfying curiosity ranks No. 2 in my book behind conquering a fear.

Space is not an enterprise that belongs to the U.S. or to Russia or to China - it is a human endeavor and experience. And that's as it should be.

He who seeks knowledge is wise

Nothing was being done to help the non-dopers, to encourage or support them. Even the clean riders like myself and Moncout knew how easy it was to cheat the tests.

Freedom of being alone is intoxicating.

Material power that is not counterbalanced by adequate spiritual power, that is, by love and wisdom, is a curse

England, where nobody ever says what they mean: and by denying feeling, kill it off stone-cold at the roots.

You do not choose what your mission is; it will come to you when you are ready!

The biggest misconception is probably that I don't have my head in the right place.

Do not fret, for God did not create us to abandon us.

If God is supposed to be merciful,' [Arthur] retorted, 'I don't see why He shouldn't allow people to stumble into heaven, just as well as climb there

And as the circumcised in the flesh, and not in the heart, have no part in God's good promises; even so they that be baptized in the flesh, and not in heart, have no part in Christ's blood.