Men are more evanescent than pictures, yet one sorrows for lost friends, and pictures are my friends. I have none others. I am never long enough with men to attach myself to them; and whatever feelings of attachment I have are to material things.

There is no wealth but life. Life, including all its powers of love, of joy, and of admiration. That country is the richest which nourishes the greatest numbers of noble and happy human beings; that man is richest, who, having perfected the functions of his own life to the utmost, has also the widest helpful influence, both personal, and by means of his possessions, over the lives of others.

No divine terror will ever be found in the work of the man who wastes a colossal strength in elaborating toys; for the first lesson that terror is sent to teach us is, the value of the human soul, and the shortness of mortal time.

I tell you (dogmatically, if you like to call it so, knowing it well) a square inch of man's engraving is worth all the photographs that were ever dipped in acid... Believe me, photography can do against line engraving just what Madame Tussaud's wax-work can do against sculpture. That and no more. (1865)

Of all God's gifts to the sighted man, color is holiest, the most divine, the most solemn.

Man's only true happiness is to live in hope of something to be won by him.

Such help as we can give to each other in this world is a debt to each other; and the man who perceives a superiority or a capacity in a subordinate, and neither confesses nor assists it, is not merely the withholder of kindness, but the committer of injury.

To follow art for the sake of being a great man, and therefore to cast about continually for some means of achieving position or attracting admiration, is the surest way of ending in total extinction.

Science studies the relations of things to each other: but art studies only their relations to man.