You could engineer a human to survive the greenhouse effect because you think that's what's going to happen, and then all of a sudden the glaciers are creeping down on you.

Don't dress to kill, dress to survive.

To survive is to win.

I was the seventh of nine children. When you come from that far down you have to struggle to survive.

Just like an animal, when you want to survive, you don't think anymore.

But when you're deprived of it for a lengthy period then you value human companionship. But you have to survive and so you devise all kinds of mental exercises and it's amazing.