After all, coffee is bitter, a flavor from the forbidden and dangerous realm.

We ogle plants and animals up close on television, the Internet and in the movies. We may not worship the animals we see, but we still regard them as necessary physical and spiritual companions. Technological nature can't completely satisfy that yearning.

Nature is also great fun. To pretend that nature isn't fun is to miss much of the joy of being alive.

Though most of us don't hunt, our eyes are still the great monopolists of our senses. To taste or touch your enemy or your food, you have to be unnervingly close to it. To smell or hear it, you can risk being further off. But vision can rush through the fields and up the mountains, travel across time, country, and parsecs of outer space, and collect bushel baskets of information as it goes. Animals that hear high frequencies better than we do

Shaped a little like a loaf of French country bread, our brain is a crowded chemistry lab, bustling with nonstop neural conversations.

The great affair, the love affair with life, is to live as variously as possible, to groom one's curiosity like a high-spirited thoroughbred, climb aboard, and gallop over the thick, sunstruck hills every day.

So before I start work on a book, I'm like a pregnant mole - I obsessively tidy and order my closets and everything in my study. Because there's such a cascade of images and ideas that I'm grapping with mentally, I couldn't also be in a chaotic setting.