DRAWING is the expression of an idea: “Art must come from within, and not from without. This fact has led some to assert that the study of nature is not essential to the student, and that careful training in the study of the representation of the actual appearance is mechanical and harmful. Such persons forget that all art ideas and sentiments must be based upon natural objects, and that a person who cannot represent truly what he sees will be entirely unable to express the simplest ideal c...