“Humans. Rats have bigger hearts. Roaches have kinder souls. Flies have-”

“Homework, I have discovered, involves a sharp pencil and thick books and long sighs.”

“Ninety percent of the trouble in this world comes from guys who think they have something to prove.”

“I don't think relationships just end for no reason," Diver said. "Sometimes it's too complicated for us to understand. All these interconnected things have to be just right before you can have love. That's why it's so amazing when it happens. Maybe it shouldn't be so surprising when it doesn't last. Maybe we should just be astounded that it happens at all.”

“Humans. Violent but peace-loving. Passionate but cerebral. Humane but cruel. Impulsive but calculating. Generous but selfish. Humans. Altogether a contradictory and deeply flawed species. And yet...And yet, somehow I knew that they represented the best hope of the galaxy. Perhaps the only hope.”

“Humans. Sometimes they make chimps look smart.”

“Today, tomorrow, sooner or later, you will meet someone who is lost, just as you yourself have been lost, and as you will be lost again someday. And when that happens, it is your duty to say "I've been lost, too. Let me help you find your way home.”