It is vital that there is a narrator figure whom people believe. That's why I never do commercials. If I started saying that margarine was the same as motherhood, people would think I was a liar.

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.

It is the Holy Spirit's job to convict, God's job to judge and my job to love.

Before marriage, you lose your virginity. After marriage, you get to give it away. Which would you rather experience?

The war is coming to the streets of America and if you are not keeping and bearing and practicing with your arms then you will be helpless and you will be the victim of evil.

People assume thoughts and processes about you that may have nothing to do with you whatsoever, but they make political assumptions and assertions about who you are based on your choice of partner.

Whenever you listen to a piece of music, what you are actually doing is hearing the latest sentence in a very long story you’ve been listening to - all the pieces of music you’ve ever heard.

This is my trademark: I rip my T-shirt. I’m into the whole showing-a-bit-of-chest-hair thing.

I am not an enormous believer in research being the be-all and end-all. I get suspicious when I read about actors spending six months in a clinic, say, in order to play someone who is sick.

A man's eroticism is a woman's sexuality.

I love my mother, but there has been, ever since my boyhood, a sort of coldness of intercourse between us, such as is apt to come between people of strong feelings.

My heart pounds sickeningly and I turn pale... I often feel as if I were dead... I seem to be losing my mind.