Stephen Dedalus the alter-ego of Joyce reveals a portal of discovery into his own mind?
John Eglinton looked in the tangled glowworm of his lamp.
—The world believes that Shakespeare made a mistake, he said, and got out of it as quickly and as best as he could.
—Bosh! Stephen said rudely. A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.