Anyone who thinks they can save the world is both wrong and dangerous

I can watch elephants (and elephants alone) for hours at a time, for sooner or later the elephant will do something very strange... There is mystery behind that masked gray visage, and ancient life force, delicate and mighty, awesome and enchanted, commanding the silence ordinarily reserved for mountain peaks, great fires, and the sea.

The sun is roaring, it fills to bursting each crystal of snow. I flush with feeling, moved beyond my comprehension, and once again, the warm tears freeze upon my face. These rocks and mountains, all this matter, the snow itself, the air- the earth is ringing. All is moving, full of power, full of light.

When I'm in the field, when I'm working, I keep very careful notes. I wear big shirts with big breast pockets, and I carry in them two little spiral notebooks.

I ... had what Kierkegaard called 'the sickness of infinitude,' wandering from one path to another with no real recognition that I was embarked upon a search, and scarcely a clue as to what I might be after. I only knew that at the bottom of each breath there was a hollow place that needed to be filled.

The purpose of our life is to help others through it.

The concept of conservation is a far truer sign of civilization than that spoilation of a continent which we once confused with progress.