"We must keep America strong, but we must not let that strength be used to fight other people's wars."

"I believe the risks I take are justified by the sheer love of the life I lead."

"We must be careful not to allow our white blood to be contaminated."

"Science, freedom, beauty, adventure: what more could a man ask of life? Aviation combined them all."

"If I had to choose, I would rather have birds than airplanes. In wilderness I sense the miracle of life, and behind it our scientific accomplishments fade to trivia."