Like all creatures, humans have made their way in the world by trial and error. Unlike other creatures we have a presence so colossal that error is a luxury we can no longer afford. The world has grown too small to forgive us any big mistakes.

America seemed a virgin land waiting for civilization. But Europe had made the wilderness it found; America was not a virgin, she was a widow.

Societies that do not eat people are fascinated by those that do.

Like most problems with technology, pollution is a problem of scale. The biosphere might have been able to tolerate our dirty old friends coal and oil if we burned them gradually, but how long can it withstand a blaze of consumption so frenzied that the dark size of this planet glows like a fanned ember in the night of space.

Like all creatures, humans have made their way in the world by trial and error. Unlike other creatures we have a presence so colossal that error is a luxury we can no longer afford. The world has grown too small to forgive us any big mistakes.

Each time history repeats itself, the price goes up.

Even today, some opt for the comforts of mystification, preferring to believe that the wonders of the ancient world were built by Atlanteans, gods, or space travelers, instead of by thousands toiling in the sun. Such thinking robs our forerunners of their due, and us of their experience. Because then one can believe whatever one likes about the past - without having to confront the bones, potsherds, and inscriptions which tell us that people all over the world, time and again, have made similar advances and mistakes.