M: What is the best possible future?
H: Best for what?
M: Well, best for us, people, I suppose.
H: I'm not sure there's an easy answer to your question.
M: I mean, isn't it just whatever makes people the most happy?
H: I personally would rather a rich life than a happy life.
M: Well maybe a rich life is a happy life for you.
H: Is happy just whatever a person wants?
M: What else could it be?
H: Like I said, I'm not sure there's an easy answer. But if a happy life was the best type of life, how many happy lives are needed for the best future?
M: What?
H: A trillion happy human lives? Or do we need more?
M: I don't know...
H: Neither do I.