As he penetrated deeper and deeper into the arcana of anatomy and physiology his judgment of his own poetry grew more and more severe. The more he knew of Truth, the nearer absolute perfection must that Beauty be which would compete with her for his heart. Busy with a pursuit in which his progress was marked by absolute tests that even his modesty could not disown, he shrank from trying to reach vague eminences in poetry that he judged himself unable to attain. There is something in his style that recalls Heine when he writes, "Me you may safely regard as one banished from a service to which he was not adapted, but who has still a lingering affection for the land of dreams--as yet, at least, not far enough in the journey of science to have lost sight of the old two-topped hill." And again: "I am essentially unpoetical in character, habits and ways of thinking; and nothing but the desperate hanker for distinction so common to the young gentlemen at the university ever set me upon rhyming. If I had possessed the conviction that I could by any means become an important or great dramatic writer, I would have never swerved from the path to reputation; but seeing that others who had devoted their lives to literature, such as Coleridge and Wordsworth--men beyond a question of far higher originality and incomparably superior poetical feeling and genius--had done so little, you must give me leave to persevere in my preference of Apollo's pill-box to his lyre, and should congratulate me on having chosen Goettingen instead of Grub street for my abode.... It is good to be tolerable or intolerable in any other line, but Apollo defend us from brewing all our lives at a quintessential pot of the smallest ale Parnassian!"