Read it through once

“The true glory of art is, that in its creation there arise desires and aspirations never to be satisfied on earth, but generating new desires and new aspirations, by which the spirit of man mounts to God Himself. The artist (Mr. Browning loves to insist on this point) who can realize in marble or in color, or in music, his ideal, has thereby missed the highest gain of art. In ‘Pippa Passes’ the regeneration of the young sculptor’s work turns on his finding that in the very perfection which he had attained lies ultimate failure. And one entire poem, ‘Andrea del Sarto’, has been devoted to the exposition of this thought. Andrea is ‘the faultless painter’; no line of his drawing ever goes astray; his hand expressed adequately and accurately all that his mind conceives; but for this very reason, precisely because he is ‘the faultless painter’, his work lacks the highest qualities of art:--