The poet ranks far below the painter in the representation of visible things, and far below the musician in that of invisible things.
Make an effort to collect the good features from many beautiful faces.
Nature alone is the master of true genius.
If we make mistakes in our first compositions and do not know them, we may not amend them.
Simplicity is the ultimate sophistication.
Perspective is a most subtle discovery in mathematical studies, for by means of lines it causes to appear distant that which is near, and large that which is small.