This first one is from 'The Moon is a Harsh Mistress'. The story is about the revolution of a lunar colony that is loosely based on convict colonies like Australia. The scene takes place as the three main characters are feeling out the political leanings of each other.
"Dear lady, I must come to Manuel's defense. He has a correct evaluation even though he may not be able to state it. May I ask this? Under what circumstances is it moral for a group to do that which is not moral for a member of that group to do alone?"'Under what circumstances is it moral for a group to do that which is not moral for a member of that group to do alone?' I've been working on this question for more than twenty years and I still don't feel like I have a good handle on it.
"Uh . . . that's a trick question."
"It is the key question, my dear Wyoming. A radical question that strikes to the root of the whole dilemma of government. Anyone who answers honestly and abides by all consequences knows where he stands - and what he will die for."