"People, he thought, were as hungry for a sight of joy as he had always been--for a moment's relief from that gray load of suffering which seemed so inexplicable and unnecessary. He had never been able to understand why men should be unhappy."
"You know, I think that only if one feels immensely important can one feel truly light."
"If you don't know, the thing to do is not to get scared, but to learn."
"She watched the tunnels as they flowed past: bare walls of concrete, a net of pipes and wires, a web of rails that went off into black holes where green and red lights hung as distant drops of color. There was nothing else to dilute it, so that one could admire naked purpose and the ingenuity that had achieved it."
"Live and act within the limit of your knowledge and keep expanding it to the limit of your life."
"We are born into this world unarmed - our mind is our only weapon."