text:  Of the symmetry of the sculptor's chiselled forms of the beauty of the poet's or the painter's pictures we have a standard in nature's own originals seldom probably never exhibiting the same concentration of refined and elevated beauty in one individual object but nevertheless furnishing an accurate and never varying standard for the exercise of the judgement; while the heart that inner world ever uniform and unchanging amid the manifold vicissitudes of human life supplies a test by which the poet's thoughts and sentiments may be correctly tried