Make your faces so that they do not all have the same expression, as one sees with most painters, but give them different expression, according to age, complexion, and good or bad character.

Principles for the Development of a Complete Mind: Study the science of art. Study the art of science. Develop your senses- especially learn how to see. Realize that everything connects to everything else.

It vexes me greatly that having to earn my living has forced me to interrupt the work and to attend to small matters.

He who can copy can do.

The first object of the painter is to make a flat plane appear as a body in relief and projecting from that plane

I am not poor. Poor are those who desire many things.

Music... is the shaping of the invisible.