Don Quixote's misfortune is not his imagination, but Sancho Panza.

When Don Quixote went out into the world, that world turned into a mystery before his eyes. That is the legacy of the first European novel to the entire subsequent history of the novel. The novel teaches us to comprehend the world as a question. There is wisdom and tolerance in that attitude.

Don Quixote's misfortune is not his imagination but Sancho Panza.