Jack, he is very intelligent. He can not fool the devil second time. He said that the devil is not the devil and not to interfere with the devil to get his spirit. His spirit still exists in the world is not going to hell. Devil mocked Jack by tossing the flames of hell and the flames could not be extinguished. Jack carved turnip greens, which he likes, and vilify into a turnip. And Jack has traveled the world.