"The mind...It's an engine essentially. That's what it is. A very delicate, intricate motor. And it's got all these pieces, all these gears and bolts and hinges. And we don't even know what half of them do. But if just one gear slips, just one...Have you thought about that? It's just like a car. No different. One gear slips, one bolt cracks, and the whole system goes haywire. Can you live knowing that?" He tapped his temple. "That it's all trapped in here and you can't get to it and you don't really control it. But it controls you, doesn't it? And if it decides one day that it doesn't feel like coming to work?" He leaned forward and they could see tendons straining in his neck. "Well, then you're pretty much good and fucked, aren't you?"