Therefore, a practicer of the Lotus Sūtra who believes in the Lotus Sūtra and recites the daimoku has all the merit of the Buddha of Infinite Life and all other Buddhas throughout the universe without saying the nembutsu even once in his lifetime. It is like a wish-fulfilling gem equipped with all the treasures such as gold and silver.
Jisshō-shō, A Treatise on the Ten Chapters of the Great Concentration and Insight