I'm not a propagandist, I'm not a polemicist; my primary interest is just looking at and trying to understand how animals work.

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 am not afraid of giving bad reviews. If I don't like a book, I don't like it. Period. I don't do promotion

Granny was right, ' I said. 'When you forgive someone it does make you stronger. It makes your heart bigger than your hate.

Government implies the power of making laws. It is essential to the idea of a law, that it be attended with a sanction; or, in other words, a penalty or punishment for disobedience.

In so complex a thing as human nature, we must consider it is hard to find rules without exception.

Grief is only the memory of widowed affection. The more intense the delight in the presence of the object, the more poignant must be the impression of the absence.

Why don't people believe us when we say we're simply in love?

You know, I think more people should watch women's basketball. It'd do so much for the game.

They try to say this era was a tainted era. But so many great players played in the last 15 to 20 years. This is going to be the best era in the history of the game in my opinion

Everything is beautiful in it's own way. Like the starry summer night, or a snow-covered winter's day. And everybody's beautiful in their own way. Under God's heaven, the world's gonna find the way.

Any idiot can see something wrong. But can you see what is right?