It is because of the servility of photography that I am fundamentally contemptuous of this chance invention which will never be an art but which plagiarizes nature by means of optics. (1848)

Man, man, is thy brother, and thy father is God.

There is a name hidden in the shadow of my soul, where I read it night and day and no other eye sees it.

Brutality to an animal is cruelty to mankind - it is only the difference in the victim.

When a dog is in your life, there is always a reason to laugh.

The photographer will never replace the painter; one is a man, the other a machine. Let us compare them no longer. (1848)

History is neither more nor less than biography on a large scale.