The natural desire of good men is knowledge.
The truth of things is the chief nutriment of superior intellects.
The painter has the Universe in his mind and hands.
The light and heat of the universe comes from the sun, and its cold and darkness from the withdrawal of the sun.
The cat is nature's masterpiece.
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.