For just as some women are said to be handsome though without adornment, so this subtle manner of speech, though lacking in artificial graces, delights us.

Those things are better which are perfected by nature than those which are finished by art.

Things perfected by nature are better than those finished by art.

Because all the sick do not recover, therefore medicine is not an art.

Art is born of the observation and investigation of nature.

Probabilities direct the conduct of the wise man.

All the arts of refinement have mutual kinship.

There is not only an art, but an eloquence in it.

In all great arts, as in trees, it is the height that charms us; we care nothing for the roots or trunks, yet it could not be without the aid of these.