"It would be an untruth to say that I haven't done some good things in my life."

"I don't think there's any single person who could have done it."

"It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put my thumb over it and I could make the Earth disappear. I didn't feel like a giant. I felt very, very small."

"It was a privilege to be a part of such a grand undertaking."

"I put my thumb up and I could hide the whole Earth behind my thumb. I felt like a little tiny speck in this vast universe."