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

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

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.

People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.

Nothing really happened - I was elected in '86 - until 1992, and that's when the Anita Hill debacle happened.

With everyone born human, a poet - an artist - is born, who dies young and who is survived by an adult.

It is better to watch things then to do them.

People are really much more respectful than they're made out to be and much more discerning about the fact that I'm not the character I play.

Maidana is a young, strong and tough competitor. He's a guy that I can't overlook. You can never take any fighter for granted because anything can happen.

A pure mathematical series would be one in which each term is derived from the preceding term by a rule.

If only corporal punishment cured low self-esteem.

Low-level programming is good for the programmer's soul.

Life is what comes along after you have planned something else.

Closed mouths don't get fed, and I'm gonna eat every time I get on the court.