Species co-evolve with the other species they eat, and very often, a relationship of interdependence develops: I'll feed you if you spread around my genes. A gradual process of mutual adaptation transforms something like an apple or a squash into a nutritious and tasty food for a hungry animal.

It's no accident that Julia Child appeared on public television - or educational television, as it used to be called. On a commercial network, a program that actually inspired viewers to get off the couch and spend an hour cooking a meal would be a commercial disaster, for it would mean they were turning off the television to do something else.

The astounding variety of foods on offer in the modern supermarket obscures the fact that the actual number of species in the modern diet is shrinking. For reasons of economics, the food industry prefers to tease its myriad processed offerings from a tiny group of plant species, corn and soybeans chief among them.

Michael Pollan Quotes