There are no rules for good photographs, there are only good photographs.

The piano has eighty-eight keys, and you have to be able to play all of them. And the range of white to black is analogous to the eighty-eight keys and you have to be able to play all eighty-eight keys in that palette from white to black.

There are worlds of experience beyond the world of the aggressive man, beyond history, and beyond science. The moods and qualities of nature and the revelations of great art are equally difficult to define; we can grasp them only in the depths of our perceptive spirit.

The great rocks of Yosemite, expressing qualities of timeless yet intimate grandeur, are the most compelling formations of their kind. We should not casually pass them by, for they are the very heart of the earth speaking to us.

We were in the shadow of the mountains, the light was cool and quiet and no wind was stirring. The aspen trunks were slightly greenish and the leaves were a vibrant yellow.

Impression is not enough. Design, style, technique - these, too, are not enough. Art must reach further than impression or self-revelation .

I know some photographs that are extraodrinary in their power and conviction, but it is difficult in photography to overcome the superficial power or subject; the concept and statement must be quite convincing in themselves to win over a dramatic and compelling subject situation.