Buddhahood is the most difficult to demonstrate. But since you possess the other nine worlds, you should believe that you have Buddhahood as well. Do not permit yourself to have doubts. Expounding on the human world, the Lotus Sutra says, "The Buddhas wish to open the door of Buddha wisdom to all living beings." . . . That ordinary people born in the latter age can believe in the Lotus Sutra is due to the fact that the world of Buddhahood is present in the human world.