The Harvard Law of Animal Behavior holds that under controlled experimental conditions of temperature, time, lighting, feeding, and training, the organism will behave as it damn well pleases.

Transcendence is the only real alternative to extinction. This is serious. This may be the ultimate final exam.

Informing all of Carson's work was the idea that although human beings are part of nature, we are distinguished by our power to alter it irreversibly.

In 1920 [H.G. Wells] described human history as becoming more and more a race between education and catastrophe.

The only reason Toronto is no longer the dullest city on earth is that it is no longer full of Anglo-Canadians. It is full of Hong Kong Chinese. And not a few Italians.

We are at an inflection point in history.

The inflection point at which we have arrived is one in which we are increasingly seizing the keys to all creation, as astonding as that might seem.