“The problem is that people have tried to look away from space and from the meaning of the moon landing. I remember seeing a picture of an astronaut standing on the moon. It was up at Yale and someone has scrawled on it, 'So what?' That is the arrogance of the kind of academic narrowness one too often sees; it is trapped in its own predictable prejudices, its own stale categories. It is the mind dulled to the poetry of existence. It's fashionable now to demand some economic payoff from space, some reward to prove it was all worthwhile. Those who say this resemble the apelike creatures in 2001. They are fighting for food among themselves, while one separates himself from them and moves to the slab, motivated by awe. That is the point they are missing. He is the one who evolves into a human being; he is the one who understands the future.”

“I have an idea that most of all he is running away from love, because it's too big and too demanding. He's running away from us--from you, from me, from his sister, from himself, too. Who wants to be himself, who wants to be so little, and so captured and limited?”

“Space flights are merely an escape, a fleeing away from oneself, because it is easier to go to Mars or to the moon than it is to penetrate one's own being.”

“The seeker after truth is not one who studies the writings of the ancients and, following his natural disposition, puts his trust in them," the first scientist wrote, "but rather the one who suspects his faith in them and questions what he gathers from them, the one who submits to argument and demonstration and not the sayings of human beings whose nature is fraught with all kinds of imperfection and deficiency. Thus the duty of the man who investigates the writings of scientists, if learning the truth is his goal, is to make himself an enemy of all that he reads, and, applying his mind to the core and margins of of its content, attack it from every side. he should also suspect himself as he performs his critical examination of it, so that he may avoid falling into either prejudice or leniency.”

“On Earth one of the things that a large proportion of the locals is most proud of is this wonderful economic system which, with a sureness and certainty so comprehensive one could almost imagine the process bears some relation to their limited and limiting notions of either thermodynamics or God, all food, comfort, energy, shelter, space, fuel and sustenance gravitates naturally and easily away from those who need it most and towards those who need it least. Indeed, those on the receiving end of such largesse are often harmed unto death by its arrival, though the effects may take years and generations to manifest themselves.”

“Whenever I see people with their collars up, I'm tempted to point it out to them like you would for someone who has a food stain on their shirt or food in their teeth, as if to say, 'Your fashion sense is so offensive I'm assuming it's some sort of accident you'll want to fix.”