I'm swanning round the world looking at the most fabulously interesting things. Such good fortune.

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.

Don’t ask me to distance myself from the person I cannot become.

War is the trade of Kings.

You can either be a host to God, or a hostage to your ego. It's your call.

EXISTENCE, n. A transient, horrible, fantastic dream,/ Wherein is nothing yet all things do seem:/ From which we're wakened by a friendly nudge/ Of our bedfellow Death, and cry: "O fudge!"

The fault line in American history is now a dividing line in the election and it's changing the conversation.

I won't give up until the exploitation of all children has ended and all children have their rights.

Father was the eldest son and the heir apparent, and he set the standard for being a Rockefeller very high, so every achievement was taken for granted and perfection was the norm.

Let all-embracing thoughts for all beings be yours.

Think of your problems as a gift – get out there and fix them.

That surely must be a concern to anyone who decides this drug must be given to stop transmissions, again from mother to child, which is extremely costly and must be taken into account.