What is a detailed description of Stephen Dedalus's aesthetic theory?

One of
the most important events regarding Stephen's theory of aesthetics is when he explains it to his
friend Lynch in Chapter 5. In this section, it is evident that he is still trying to get his
theory straight in his own mind. There's a specific section of Chapter 5, from the point where
Joyce writes, "They lit their cigarettes and turned to the right," through the end of
that section, where he says: "Her heart, simple and wilful as a bird's heart." The
section is about 12 pages long. In this section is where Stephen explains his theory to
Lynch.

As...