If we are serious about peace, then we must work for it as ardently, seriously, continuously, carefully, and bravely as we have ever prepared for war.

The care of the Earth is our most ancient and most worthy, and after all our most pleasing responsibility. To cherish what remains of it and to foster its renewal is our only hope.

I could die in peace, I think, if the world was beautiful. To know it's being ruined is hard.

We must waste less. We must do more for ourselves and for each other. It is either that or continue merely to think and talk about changes that we are inviting catastrophe to make. The great obstacle is simply this: the conviction that we cannot change because we are dependant on what is wrong. But that is the addict's excuse, and we know that it will not do.

...I was a young man. I hardly knew what I knew, let alone what I was going to know.

The assumption is that people so ignorant and thoughtless and silly and greedy may simply call upon the Army Corps of Engineers in order to receive a clean and abundant supply of water from reservoirs in the mountains. A much likelier outcome is that they will be drinking an ever stronger mixture of sewage and mine acid and mud and cropspray and various other defecations of the industrial paradise.

You have been given questions to which you cannot be given answers. You will have to live them out - perhaps a little at a time.' And how long is that going to take?' I don't know. As long as you live, perhaps.' That could be a long time.' I will tell you a further mystery,' he said. 'It may take longer.