Most of Tina Modotti's work that is known to the photography world was done in Mexico in the years 1923 through 1926, when she lived and worked with Edward Weston.

The central act of photography, the act of choosing and eliminating, forces a concentration on the picture edge - the line that separates in from out - and on the shapes that are created by it.

In practice a photographer does not concern himself with philosophical issues while working; he makes photographs, working with subject matter that he thinks will make the pictures.

It isn't what a picture is of, it is what it is about.

The world now contains more photographs than bricks, and they are, astonishingly, all different.

The simplicity of photography lies in the fact that it is very easy to make a picture. The staggering complexity of it lies in the fact that a thousand other pictures of the same subject would have been equally easy.

Trained as a musician, [photographer Ansel] Adams understood the richness of variation that could be unfolded from a simple theme.