The Lotus Sutra frequently maintains that it should be propagated far and wide and instructs the Bodhisattvas how to undertake this task. … [O]ther sutras deal with this matter very briefly at the end of the book. In the Lotus Sutra, on the other hand, chapters discussing the matter of propagation account for four-sevenths of the total number. Indeed, the great emphasis on propagation is one of the most marked characteristics of the Lotus Sutra.
Introduction to the Lotus Sutra