He did not want Barbara ever to feel the deadening load of hopelessness that could—and had, all through history—turned chaste women into willing conc… - Robert A. Heinlein

Three things only do slaves require, food, work, and their gods, and of the three their gods must never be touched, else they grow troublesome.

"Let's skip [Mobile Infantry] tradition for a moment. Can you think of anything sillier than being fired out of a spaceship with nothing but mayhem and sudden death at the other end? However, if someone must do this idiotic stunt, do you know a surer way to keep a man keyed up to the point where he is willing than by keeping him constantly reminded that the only good reason why men fight is a living, breathing reality?
"In a mixed ship [men and women] the last thing a trooper hears before a drop (maybe the last word he ever hears) is a woman's voice, wishing him luck. If you don't think this is important you've probably resigned from the human race.

I think the major problem in growing up is to become sophisticated without becoming cynical.