It is nearly perfect, with Polaris visible in its prescribed location, to the right and five times the distance of the line formed between Merak and Dubhe. Polaris will remain in that exact place for the next twenty thousand years, and any sailor watching it will be comforted by seeing it overhead. It is, after all, reassuring to know that something somewhere is immutable, as precise people set a course on a nautical chart or on the blurred landscape of a life. If we continue perusing the stars, we will have no difficulty finding Orion, and then Perseus and the Pleiades. That will be easy because the night is so clear, not a cloud in the sky, not a hint of a breeze. The wind from the southwest eased at sunset, and the dock is a black mirror reflecting the lights of the cranes in the port, the lighted castles high on the mountains, and the flashes—green on one side and red on the other—from the lighthouses of San Pedro and Navidad.Now let us turn to the man. He stands motionless, leaning against the coping of the wall.