“Isn't it strange that we talk least about the things we think about most?”

“In wilderness I sense the miracle of life, and behind it our scientific accomplishments fade to trivia.”

“I have seen the science I worshiped, and the aircraft I loved, destroying the civilization I expected them to serve.”

“Tolerance is a virtue that depends upon peace and strength.”

“After my death, the molecules of my being will return to the earth and the sky. They came from the stars. I am of the stars.”

“Life is a culmination of the past, an awareness of the present, an indication of a future beyond knowledge, the quality that gives a touch of divinity to matter.”

“Spring work is going on with joyful enthusiasm.”

“Enthusiasm is a supernatural serenity.”

“It's faith in something and enthusiasm for something that makes a life worth living.”