Knowing what I do, there would be no future peace for me if I kept silent.

But man is a part of nature, and his war against nature is inevitably a war against himself.

One way to open your eyes is to ask yourself, "What if I had never seen this before? What if I knew i would never see it again?

Conservation is a cause that has no end. There is no point at which we will say our work is finished.

Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.

The human race is challenged more than ever before to demonstrate our mastery, not over nature but of ourselves.

Science is part of the reality of living; it is the what, the how, and the why of everything in our experience.

We cannot have peace among men whose hearts find delight in killing any living creature.

The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.

Drink in the beauty and wonder at the meaning of what you see.

There is something infinitely healing in the repeated refrains of nature.

If you are truly in love with this world and your life, then you will lose the sense of angst.

I see a lot of young kids hit me on Twitter all the time, like, 'I want to be famous! Listen to my mixtape! I wish I could be like you!' But a lot comes with it. It's not easy.

No one is completely unhappy at the failure of his best friend.

The President is not only the leader of a party, he is the President of the whole people. He must interpret the conscience of America. He must guide his conduct by the idealism of our people.

Something has happened, hasn't it? ... It's like being up close to something so large you don't even see it. Even now, I'm not sure I can. But I know it's there.

I did buy a new piece of furniture so it's like, "Oh, that's something new." But generally my goals are made in the fall.

One night I prayed to God, I asked could he please remove my enemies from my life, and before you knew it I started losing friends.

You tell me another gang that's got a dental plan.

Too few people in computer science are aware of some of the informational challenges in biology and their implications for the world. We can store an incredible amount of data very cheaply.

Any damn fool can build homes. What counts is how many you can sell for how little.