“There's never enough of the stuff you can't get enough of.”

“If Pavlov tested his cat he would have failed.”

“Lions are born knowing they are predators. Antelopes understand they are the prey.Humans are one of the few creatures on Earth given the choice.”

“Would-a Could-a Should-a Never Did-a”

“The way the animals live, everybody envies them, because look, a cat, when it walks--did you ever see a cat making an aesthetic mistake. Did you ever see a badly formed cloud? Were the stars ever misarranged? When you watch the foam breaking on the seashore, did it ever make a bad pattern? Never. And yet we think in what we do, we make mistakes.”

“He was not pouting. 'Yes, you were.' He was not doing a very good job of keeping his inner thoughts inner, either.”

“The walls are everywhere. Limits. You're not smart enough, not rich enough. You get tired. You die. Some people like to pretend they've broken out. That they're running free. But there's no escape. You have to find a way to live within the walls. And then, they don't matter.”