Peter

“you can’t just move backward. You can’t push the chicken back into the egg, wine back into the grape, the boy back into the womb. If you want the baby to let go of your watch, you don’t just try to explain that he ought to do it—you offer him something he would rather have.”
― Isaac Asimov, The Gods Themselves

“A robot may not injure a human being, or, through inaction, allow a human being to come to harm.”
― Isaac Asimov, I, Robot

“Once again, I was reminded that Tally was the prettiest girl I'd ever met, and when she smiled at me my mind went blank. Once you've seen a pretty girl naked, you feel a certain attachment to her.”
― John Grisham, A Painted House

“War, Nobby. Huh! What is it good for?" he said.
"Dunno, Sarge. Freeing slaves, maybe?"
"Absol—well, okay."
"Defending yourself against a totalitarian aggressor?"
"All right, I'll grant you that, but—"
"Saving civilization from a horde of—"
"It doesn't do any good in the long run is what I'm saying, Nobby, if you'd listen for five seconds together," said Fred Colon sharply.
"Yeah, but in the long run, what does, Sarge?”
― Terry Pratchett, Thud!