There are some four million different kinds of animals and plants in the world. Four million different solutions to the problems of staying alive.

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.

I keep 'The Paper Bag Princess' by Robert Munsch on my shelf to remind me that my prince will love me no matter what I wear. Cheesy!

I looked at the stars, and considered how awful it would be for a man to turn his face up to them as he froze to death, and see no help or pity in all the glittering multitude.

Revolutionary constituencies always involve a tacit alliance between the least alienated and the most oppressed.

The only crown Jesus ever wore on earth was a crown of thorns.

Well, to be honest I think I tell less truth when I write journalism than when I write fiction.

The world we live in takes a multifaceted approach. To the American taxpayer: We need to be investing in improving people's lives before the terrorists try to take over.

They spell it da Vinci and pronounce it da Vinchy. Foreigners always spell better than they pronounce.

When I look into the eyes of my Prince, and my daughter Paris, I see miracles and I see beauty.

You are what your creators and experiences have made you, like every other being in this universe. Accept that and be done; I tire of your whining.

Knee-jerk liberals and all the certified saints of sanctified humanism are quick to condemn this great and much-maligned Transylvanian statesman.