All life is related. And it enables us to construct with confidence the complex tree that represents the history of life

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.

No nostalgia is felt as keenly as nostalgia for things that never existed.

I've always been lucky enough to have great audiences. It has been quite a life.

I didn't get this dressed up to watch you mess around in the gutter with a bunch of motorcycles." "They are pretty to look at," said Jace. "You have to admit that." "So am I," said Isabelle.

When a writer is born into a family, the family is finished.

I've been told to keep my remarks relatively brief. I understand Quayle-hunting season begins at noon.

It is still an open question, however, as to what extent exposure really injures a performer.

Don’t waste another day of your life grieving over something that you cannot do anything about. Let God give you a new beginning. Your mistakes are not enough to stop God if you don’t let them.

I like you angry better than weepy.

Know why certain foods, such as truffles, are expensive. It's not because they taste best.

I am easy-going right up to the borders of my self-interest.