It may possibly be urged the shape of a culture—its mores, evaluations, family organizations, eating habits, living patterns, pedagogical methods, in… - Robert A. Heinlein

For the first time in my life, I was reading things which had not been approved by the Prophet's censors, and the impact on my mind was devastating. Sometimes I would glance over my shoulder to see who was watching me, frightened in spite of myself. I began to sense faintly that secrecy is the keystone of all tyranny. Not force, but secrecy...censorship. When any government, or any church for that matter, undertakes to say to it's subjects, This you may not read, this you must not see, this you are forbidden to know, the end result is tyranny and oppression, no matter how holy the motives. Mighty little force is needed to control a man whose mind has been hoodwinked, contrariwise, no amount of force can control a free man, a man whose mind is free. No, not the rack, not fission bombs, not anything — -you can't conquer a free man; the most you can do is kill him.

You aren't really there at all. There isn't anybody but me — Jane — here alone in the dark. I miss you dreadfully!

"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.