In general, any productive activity which introduces substances foreign to the natural environment runs a considerable risk of polluting it.

Environmental pollution is an incurable disease. It can only be prevented.

Everything is connected to everything else.

Sooner or later, wittingly or unwittingly, we must pay for every intrusion on the natural environment.

The first law of ecology is that everything is related to everything else.

The proper use of science is not to conquer nature but to live in it.

Everything is connected to everything else. Everything must go somewhere. Nature knows best. There is no such thing as a free lunch.

If you can see the light at the end of the tunnel, you are looking the wrong way.

Seen that way, the wholesale transformation of production technologies that is mandated by pollution prevention creates a new surge of economic development.

The environmental crisis arises from a fundamental fault: our systems of production - in industry, agriculture, energy and transportation - essential as they are, make people sick and die.

After all, despite the economic advantage to firms that employed child labor, it was in the social interest, as a national policy, to abolish it - removing that advantage for all firms.

The way you help heal the world is you start with your own family.

We really are creatures of a violent world, biologically speaking - watching violence and learning about it is one of our cognitive drives.

Well, my mum's been a tennis coach - she coached me till I was 12.

In the futile attempts we all make to tidy up our lives and our surroundings, nothing is more difficult than throwing out a book.

I was elected because I believed in what we call "grassroots politics," politics from the bottom up, not the top down.

You know, Scooter's going to do the first separation burn; I'm going to do the second separation burn.

Experience is a dear teacher but he delivers th' goods.

One could say that Osama bin Laden and these non-nation-state fighters with religious purpose are very similar to those kind of atypical revolutionaries that helped to cast off the British crown

I'm one of those always busy type of people, so when there's a lull, I find something to fill it.

War is worthless except for ending slavery, Nazism, fascism, and communism. Other than that, war is pointless.