I'm not over-fond of animals. I am merely astounded by them.

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.

Try to be the best even if you can't be the best, you will be among the betters.

The most peaceable way for you, if you do take a thief, is, to let him show himself what he is and steal out of your company.

To Be Young (is to be sad, is to be high)

I don’t believe in an art that is not born out of man’s need to open his heart.

In order to be Miss Anybody you had to have excellent grades, and I had terrible grades because of my dyslexia.

The United Nations greatest fear is that average Americans will no longer tolerate these international scandals and demand that America withdraw from the international organization.

Whoever in debate quotes authority uses not intellect, but memory.

All the way from the first thing that I can remember, like our Victrola - a wind-up record player - and my grandfather's crystal radio, and my father's shortwave radio.

I feel that the most important requirement in success is learning to overcome failure. You must learn to tolerate it, but never accept it

He had never been a social man. He had shunned causes with contempt and disgust. They were for pig-simple suckers and people with too much time and money on their hands.