I am terribly glad to be alive; and when I have wit enough to think about it, terribly proud to be a man and an American, with all the rights and privileges that those words connote; and most of all I am humble before the responsibilities that are also mine. For no right comes without a responsibility, and being born luckier than most of the world's millions, I am also born more obligated.

You can't retire to weakness -- you've got to learn to control strength.

Thanks to the growing strength of environmental organizations, there will always be some back country to provide us with a touch of wonder and a breath of fresh air.

It is the abiding concern of thinking people to preserve what keeps men human-to save our contact with nature of which we are a part.

He used to tell me, 'Do what you like to do. It'll probably turn out to be what you do best.

There is a sense in which we are all each other's consequences

American individualism, much celebrated and cherished, has developed without its essential corrective, which is belonging.