They had learned from experience to determine the general proportions of the body, and the invariable relations of the various parts one with another; but they never troubled themselves to tabulate those proportions, or to reduce them to a system.

Nothing in what remains to us of their works justifies the belief that they ever possessed a canon based upon the length of the human finger or foot.

Theirs was a teaching of routine, and not of theory.

Models executed by the master were copied over and over again by his pupils, till they could reproduce them with absolute exactness.

That they also studied from the life is shown by the facility with which they seized a likeness, or rendered the characteristics and movements of different kinds of animals.