business finished, the questions answered, the lost things found—and you thought, “Oh, right, I understand,” and then you were free to go into the darkness, or the light. But it had never happened when he died (“Briefly,” he heard Dr. Foster say), so perhaps it never would. Everything would remain a mystery. Which meant, if you thought about it, that you should try and clear everything up as much as you could while you were still alive. Find the answers, solve the mysteries, be a good detective. Be a crusader.
