"It might derail and we'll all be killed. And if we do come to Aisnar? What's Aisnar? Mere hearsay.---"That's morbid," Kasimir said, glimpsing again the walls collapsing.---"No, exhilarating," his friend answered. "Takes a lot of work to hold the world together, when you look at it that way. But it's worthwhile. Building up cities, holding up the roofs by an act of fidelity. Not faith. Fidelity."