"Looking at the earth from a far you realize it is too small for conflict and just big enough for co-operation."

"The feeling of weightlessness was somewhat unfamiliar compared to Earth conditions. Here, you feel as if you are suspended in a horizontal position."

"I became infected with a new disease, a disease the medicine has not yet found a name for—the irresistible urge to reach outer space. It was a vague, not fully recognized feeling, but it remained with…"

"I don't see any God up here."

"My handwriting did not change, though the hand was weightless. But it was necessary to hold the writing-block as otherwise it would float away from the hands…"