“Besides, animals don’t even have time. Only humans have time. It’s what makes us different.”

“Human beings are the only animal that thinks they change who they are simply by moving to a different place. Birds migrate, but it’s not quite the same thing.”

“And the reason Luke is thinking about time and free will is because he believes that money is the closest human beings have ever come to crystallizing time and free will into a compact physical form. Cash. Cash is a time crystal. Cash allows you to multiply your will, and it allows you to speed up time. Cash is what defines us as a species. Nothing else in the universe has money.”

“I thought about how odd it is for billions of people to be alive, yet not one of them is really quite sure of what makes people people. The only activities I could think of that humans do that have no animal equivalent were smoking, body-building and writing. That's not much, considering how special we seem to think we are.”

“What is human behavior, except trying to prove that we're not animals?”

“Time, Baby - so much, so much time left until the end of my life - sometimes I go crazy at how slowly time passes yet how quickly my body ages.But I shouldn't allow myself to think like this. I have to remind myself that time only frightens me when I think of having to spend it alone. Sometimes I scare myself with how many of my thoughts revolve around making me feel better about sleeping alone in a room.”

“[...] and after those big strokes, what's to tell? We run out of things that make us individual very quickly; all of us have far more in common than we do not have in common.”