Mark Twain's short story "Luck" tells the story of a tunnel.The story of the tao's fool who was born lucky and rises through the ranks to become a famous military leader. The novel, narrated by a priest who had helped the fool, tells the story of a ridiculous and unknown fool, and reveals the true face of the great man admired by the world, all of which are "coincidences" and "accidents". The author satirizes the corruption and incompetence of the military community with a humorous tone.