"I have offended God and mankind because my work didn't reach the quality it should have."

"To develop a complete mind: Study the art of science; Study the science of art. Learn how to see. Realize that everything connects to everything else."

"The mind of the painter is a copy of the divine mind, since it operates freely in creating countless forms of animals, plants, fruits, landscapes, countrysides, ruins, and other things."

"Life well spent is long."

"Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen."