Jack Schmitt

“But I don't think we'll go there until we go back to the moon and develop a technology base for living and working and transporting ourselves through space.”

“It's like trying to describe what you feel when you're standing on the rim of the Grand Canyon or remembering your first love or the birth of your child. You have to be there to really know what it's like.”

“Time is, in fact, a cross to bear, it passes on inexorably and remorselessly, destroying everything in its wake, save art and works of the intellect.”

“It's great that people are interested in Mars.”