Music cannot be called otherwise than the sister of painting, for she is dependent upon hearing, a sense second to sight, and her harmony is composed of the union of its proportional parts sounded simultaneously, rising and falling in one or more harmonic rhythms.

It's easier to resist at the beginning than at the end.

There is no higher or lower knowledge, but one only, flowing out of experimentation.

Perspective is the rein and rudder of painting.

Black is like a broken vessel, which is deprived of the capacity to contain anything.

My body will not be a tomb for other creatures.

Where there is most feeling, there is the greatest martyrdom.