Many of us who aren't farmers or gardeners still have some element of farm nostalgia in our family past, real or imagined: a secret longing for some connection to a life where a rooster crows in the yard.

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.

I'm not pretending to be ingenuous; I know what I'm doing.

it takes your sleeping self years to catch up to where you really are. ... when you go on a trip, in your dreams you will still be home. Then after you've come home you'll dream of where you were. It's a kind of jet lag of the consciousness.

Insomnia’s different,” I said. It was hard to explain this to people. “You know the light that comes on when you open the refrigerator door? Just imagine it stays on all the time, even after you close the door. That’s what it’s like in my head. The light stays on.

As a biologist, I can't think of myself as anything but an animal among animals and plant.

In a world as wrong as this one, all we can do is make things as right as we can.