whom it stirs so to exercise his art in freedom from the constraint of rules, that thereby a new rule is gained for art, and thus his talent shows itself to be exemplary. But because a genius is a favourite of nature and must be regarded by us as a rare phenomenon, his example produces for other good heads a school, i.e. a methodical system of teaching according to rules, so far as these can be derived from the peculiarities of the products of his spirit. For such persons beautiful art is so far imitation, to which nature through the medium of a genius supplied the rule.

But this imitation becomes a mere aping, if the scholar copies everything down to the deformities, which the genius must have let pass only because he could not well remove them without weakening his Idea. This mental characteristic is