"An educated man is a man who by the time he is twenty-five has a clear theory, formed in light of human experience down through the ages, of what constitutes a satisfying, a significant life, and who by the age of thirty has a moral philosophy…. If a man reaches these ages without having arrived at such a theory, such a philosophy, then no matter how many facts he has learned or how many processes he has mastered, that man is an ignoramus and a fool, unhappy, probably dangerous!"

"I went out to the hazel wood,
Because a fire was in my head,
And cut and peeled a hazel wand,
And hooked a berry to a thread;"

"170:41:00 Cernan: Bob, this is Gene, and I’m on the surface; and, as I take man’s last step from the surface, back home for some time to come - but we believe not too long into the future - I’d like to just (say) what I believe history will record. That America’s challenge of today has forged man’s destiny of tomorrow. And, as we leave the Moon at Taurus- Littrow, we leave as we came and, God willing, as we shall return, with peace and hope for all mankind. “Godspeed the crew of Apollo 17."