Steve Irwin did wonderful conservation work but I was uncomfortable about some of his stunts. Even if animals aren't aware that you are not treating them with respect, the viewers are.

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.

If you open your eyes in the morning, it is just another day of opportunity to improve your Life!

I did not want to spend the rest of my life not being able to ride in a nice car.

I believe in self-defense and self-determination for Africans and other oppressed people in America.

I dreamt the impossible dream and I’m living it right this moment.

To me John Coltrane was like an angel on earth. He struck me that deeply.

While people are free to draw different conclusions from the facts, there should be no debate over whether the American public is entitled to have all of the facts.

She was drowning-in friendliness, in community-and she was starting to think she didn't want to get pulled out.

The object is to win fairly, squarely, by the rules, but to win.

One way an author dies a little each day is when his books go out of print.

I was a science fiction junkie for a long time.