Nothing to do with nature, unless you count human nature.

Hallie and I... were all there was. The image in the mirror that proves you are still here. We had exactly one sister apiece. We grew up knowing the simple arithmetic of scarcity: A sister is more precious than an eye.

Recall that whatever lofty things you might accomplish today, you will do them only because you first ate something that grew out of the dirt.

The loudest sound on earth, she thought, is a man with nothing to do.

But children robbed of love will dwell on magic.

It's as if cats live in a seperate universe that takes up the same space as ours, but is full of facinating things like mice or sparrows or special TV programs that we can't see.

Feeling that morality has nothing to do with the way you use the resources of the world is an idea that can't persist much longer. If it does, then we won't.