"In a riddle whose answer is chess, what is the only prohibited word?"

“There are people who barely feel poetry, and they are generally dedicated to teaching it.”

“It is clear that there is no classification of the Universe that is not arbitrary and full of conjectures. The reason for this is very simple: we do not know what kind of thing the universe is.”

“I thought of a labyrinth of labyrinths, of one sinuous spreading labyrinth that would encompass the past and the future and in some way involve the stars.”

“Do you want to see what human eyes have never seen? Look at the moon. Do you want to hear what ears have never heard? Listen to the bird's cry. Do you want to touch what hands have never touched? Touch the earth. Verily I say that God is about to create the world.”

“Villari took no notice of them because the idea of a coincidence between art and reality was alien to him. Unlike people who read novels, he never saw himself as a character in a work of art.”

“Literature is not exhaustible, for the sufficient and simple reason that a single book is not. A book is not an isolated entity: it is a narration, an axis of innumerable narrations. One literature differs from another, either before or after it, not so much because of the text as for the manner in which it is read.”