"It's a beginning. We have a lot more to do."

"I think the one thing that we are not doing enough today is encouraging young people to take risks."

"Pilots take no special joy in walking. Pilots have a distaste for walking."

"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."

"The only way to do great work is to love what you do."