It flows broad and full: and suddenly there is a moment of inexplicable hesitation, like a gap that opens between cause and effect, an oppression that makes us dream, almost a nightmare; but already it broadens and widens anew, the old stream of delight the most manifold delight, of old and new happiness; including the joy of the artist in himself, which he refuses to conceal, his astonished, happy cognizance of his mastery of the expedients here employed, the new, newly acquired, imperfectly tested expedients of art which he apparently betrays to us.