The history of life on earth has been a history of interaction between living things and their surroundings.

We're as ephemeral as raindrops. We all fall, and we all land somewhere.

If you think nobody cares if you're alive, try missing a couple of car payments.

A whole new generation of Christians has come up believing that it is possible to 'accept' Christ without forsaking the world.

Worshipers never leave church...we carry our sanctuary with us wherever we go.

Destroying rainforest for economic gain is like burning a Renaissance painting to cook a meal.

Faith is not a conclusion you reach...it's a journey you live.

Be nice to people on your way up because you'll meet them on your way down.

Nature holds the key to our aesthetic, intellectual, cognitive and even spiritual satisfaction.

You teach me, I forget. You show me, I remember. You involve me, I understand.

Look closely at nature. Every species is a masterpiece, exquisitely adapted to the particular environment in which it has survived. Who are we to destroy or even diminish biodiversity?

Those who pay their bills on time are soon forgotten. It is only by not paying one's bills that one can hope to live in the memory of the commercial classes.

You cannot define success and do that exceptionally well without a mention of "gratitude".

At the time, however, I didn't realize the extent of my granddaughter's sensitivity - or her loneliness. I thought only of myself. Of my own sensitivity and my own loneliness.

When we criticize people, their consciences console them. When we love them, their consciences indict them.

When the cat's away the mice will play.

God leaves to Man the choice of Forms in Government; and those who constitute one Form, may abrogate it.

As the excited passions of hostile people are of themselves a powerful enemy, both the general and his government should use their best efforts to allay them.

Act as young as you feel. You're not getting older; you're getting more entitled to be your fabulous self.

My parents were married for sixty-five years, and I was married for about ten minutes, my first year at Yale Drama School. Something, somehow, didn't get passed on to my generation.

I'm a historian, and that freaks me out.