If we make mistakes in our first compositions and do not know them, we may not amend them.

Make yourself a master of perspective, then acquire perfect knowledge of the proportions of men and other animals.

The Medici created and destroyed me.

The lover is moved by the beloved object as the senses are by sensual objects; and they unite and become one and the same thing. The work is the first thing born of this union; if the thing loved is base the lover becomes base.

Fix your course on a star and you'll navigate any storm.

Any color is more distinctly seen when opposed to its contrary: thus, black on white, blear near yellow, green near red, and so on.

The study of what is excellent is food for the mind and body.