Years later I saw the gabbia at Piacenza; a harsh black canary-cage strung up high the side of the the towering campanile, in which prisoners were once left to starve to death and rot in full view of the town below. And looking up at it, I remembered that winter in Greece, that Gabbia I had constructed for myself out of light, solitude and self-delusions. My feelings at the end of that wretched term, were those of a man who knows he is in a cage, exposed to the jeers of all his old ambitions until he dies.

Introduction (1977 edition) - The Magus (1965)