I would love to see a giant squid. Very few people have seen them. And only about half a dozen people have seen one 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.

Get to the next level by learning the art of investing in people.

There are times when sympathy is as necessary as the air we breathe.

The idea of equal rights was in the air.

Whoever lights the torch of war in Europe can wish for nothing but chaos.

Jazz, rock and roll, movies and comics are the culture of America.

Quality, not quantity, is my measure.

We have used up all our inherited freedom, like the young bird the albumen in the egg. It is not an era of repose. If we would save our lives, we must fight for them.

I do struggle with how much and in which way, as an artist or celebrity, that you voice your political views.

I always tell people I'm running against two Democrats, one that admits it and one that does not.

Out of 1.6 billion Muslims, perhaps only 300 million actually understand the language of the Koran.