five major writings [五大部] ( godai-bu): The five most important writings of Nichiren (1222–1282), as identified by Nichiren’s successor, Nikkō. They are (1) On Establishing the Correct Teaching for the Peace of the Land, (2) The Opening of the Eyes, (3) The Object of Devotion for Observing the Mind, (4) The Selection of the Time, and (5) On Repaying Debts of Gratitude. See also ten major writings.