The correct scientific response to something that is not understood must always be to look harder for the explanation, not give up and assume a supernatural cause.

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.

One secret to wisdom:think more, speak less.If you let your words be few, your troubles will not be many.

What do we do after things fall apart? Do we run to the familiar once again? Do we attempt to numb the pain with distractions? What do we do after things fall apart?

Understanding is the assassin of bigotry, and lays a strong foundation upon which to build a tolerant society.

[FBI] philosophy is "Go ahead and make the story you want to make, and hopefully we'll love it." So that's that.

The fundamentals of baseball haven't changed, but how we can teach those fundamentals has. With an e-book, learning can be more rewarding and fun.

If the truth is worth telling, it is worth making a fool of yourself to tell it.

Cooking a dish is fine; cooking it under pressure is a completely different ballgame.

I have a problem with the blatant celebrity exhibitionism that happens in this business and being sold purely as a brand.

To me, theater is a spiritual experience. Probably the reason I do theater is it, I guess, comes the closest to feeling like God, or to feeling a spiritual experience that people can have together.

Who knows what part we play in other people's dreams?