Birds are the most accomplished aeronauts the world has ever seen. They fly high and low, at great speed, and very slowly. And always with extraordinary precision and control.

No one will protect what they don't care about, and no one will care about what they have never experienced.

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

What humans do over the next 50 years will determine the fate of all life on the planet.

Anyone who believes in indefinite growth on a physically finite planet is either mad or an economist

The World is full of wonders, but they become more Wonderful, not less Wonderful when Science looks at them.

The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?

How could I look my grandchildren in the eye and say I knew what was happening to the world and did nothing.

Bringing nature into the classroom can kindle a fascination and passion for the diversity of life on earth and can motivate a sense of responsibility to safeguard it.

I just wish the world was twice as big and half of it was still unexplored.

UGH. Boys. They're like French class--no matter how much I study, I'll never be fluent in the language.

If the man who turnips cries Cry not when his father dies 'Tis proof that he had rather Have a turnip than his father.

Ritual is a terribly important, binding cement in a society. If we abandon formality and rituals, we're actually weakening the relationships that exist between people that bind.

Whatever my intentions, whatever the truth of my claim, I had no business giving a lecture to a total stranger.

The home is the child's first school, the parent is the child's first teacher, and reading is the child's first subject.

A president either is constantly on top of events or, if he hesitates, events will soon be on top of him. I never felt that I could let up for a moment.

Great challenges confront our great nation. We seek to meet them by rising to the task, not by defining our country down.

I have never understood, for instance, why some people see contemporary art as divided between 'painting' and 'conceptual art', as though this represented a genuine division.

I want to write about people I love, and put them into a fictional world spun out of my own mind, not the world we actually have, because the world we actually have does not meet my standards.

When something's over with me, it's over.