It is curiosity, quite right-a divine curiosity. A characteristic of the gods is curiosity.

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.

They have a baby grand piano, but no one in the family plays. They have shelves of books they've never read, and the tension between the couples was so thick it nearly choked us.

I've never been on a TV show for more than a season and you have to continually keep it interesting and you have to keep it connected, even as you change.

I can't hold a camera anymore.

Evidently the merit depends on the result of the work.

What the people call eloquence is the facility some persons have of speaking alone and for a long time, aided by extravagant gestures, a loud voice, and powerful lungs.

What has happened in most of my books is the call to the extraordinary world, the hero's push, or that push has come to him.

Everyone knows that (1) happiness is the goal of life, and (2) happiness is a chimera.

I'm probably a bit of a cheeky grandson, like my brother as well. We both take the mickey a bit too much.

I see it all perfectly; there are two possible situations - one can either do this or that. My honest opinion and my friendly advice is this: do it or do not do it - you will regret both.

Probably we'll think of Bush in years to come as an American hero.