Paint should not be applied thick. It should be like a breath on the surface of a pane of glass.

The work of a master reeks not of the sweat of the brow - suggests no effort - and is finished from its beginning.

Truly color is vice! Of course, it can be, and has the right to be one of the finest virtues. Controlled by the strong hand and careful guidance of her Master drawing, color is a splendid Mistress, with a mate worthy of herself, her lover, but her Master likewise, the most magnificent Mistress possible, and the result is evident in all the glorious things that spring from their union.

It is for the artist... in portrait painting to put on canvas something more than the face the model wears for that one day; to paint the man, in short, as well as his features.

If silicon had been a gas I should have been a major-general.

You shouldn't say it is not good. You should say, you do not like it; and then, you know, you're perfectly safe.

I am not arguing with you - I am telling you.