Do we really require so many gardening programmes, makeover programmes or celebrity chefs?

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.

A step towards what you fear is a mile towards mastering it.

You have to know your goal to reach out for it.

Dreams are those that don't let you sleep at night.

Socrates' way of life is the consequence of his recognition that we can know what it is that we do not know about the most important things and that we are by nature obliged to seek that knowledge.

There is no strength that is greater than the strength of virtue. There is no other nobility equal to the nobility of virtue. There is no quality so becoming, no attire so attractive.

You might be a redneck if on your first date you had to ask your Dad to borrow the keys to the tractor.

Every man is somebody because he is a child of God.

Writer is a miner; he works in the gloomy places like a miner to get the precious material.

A conservative is someone who believes in reform. But not now.

Scars remind me of just how far that I've come.