Painting is concerned with the ten things you can see: these are darkness and brightness, substance and color, form and place, remoteness and nearness, movement and rest.
To lie is vile, to tell truth is excellent, if not noble.
The senses are of the earth, the reason stands apart from them in contemplation.
Ask counsel of him who rules himself well.
I'm not contented to capture the world. I want to change it.
There are three classes of people: those who see, those who see when they are shown, those who do not see.