1. The three treasures of the imperial palace are the sacred jewel, the sacred sword, and the sacred mirror.
2. The precinct of Enryaku-ji temple on Mount Hiei is divided into three sections, Tōtō, Saitō, and Yokawa. Each section had one supervisor, and besides these three supervisors, one leading supervisor presided over all three sections. The Tōtō section, the main area, encompasses Shikan-in (Kompon Chūdō), the original building of Enryaku-ji, and other large buildings on Mount Hiei.
3. Lotus Sutra, chap. 10.
4. Ibid. The Daishonin slightly modifies the wording of the passage from chapter 14 that reads, “Among the sutras, it [the Lotus Sutra] holds the highest place.”
5. The Nirvana Sutra says, “When this sutra was preached, it was as though the crop had brought great profit to all people and they all felt safe and secure, for they could now see that living beings possess the Buddha nature. The prediction had already been made in the Lotus Sutra that the eight thousand voice-hearers would attain Buddhahood, a prediction that was like a great harvest. Thus, the autumn harvest was over and the crop had been stored away for winter [when this Nirvana Sutra was preached], and there was nothing left for it.”
6. The three divisions are the three divisions of the honored ones such as the Buddhas, bodhisattvas, and deities in the Womb Realm or the Womb Realm mandala. They are respectively called the Buddha division, Lotus division, and Diamond division. In the esoteric teachings, these three divisions represent the great insight, great compassion, and great wisdom of the Buddha, respectively.
7. One of the twelvefold dhūta practice, which aims to shake off the dust and defilements of desires.
8. Eight places at which a stupa was erected in memory of Shakyamuni Buddha. They are (1) Lumbinī, his birthplace; (2) the site of the bodhi tree, where he attained enlightenment; (3) Deer Park, where he first preached; (4) Jetavana Monastery, where he displayed transcendental powers; (5) Kanyākubja, where he was said to have descended from the Trāyastrimsha heaven; (6) Rājagriha, where he again instructed and saved his disciples who had been lured away by Devadatta; (7) Vaishālī, where he announced his approaching nirvana; and (8) Kushinagara, where he entered nirvana.
9. The Womb Realm described in the Mahāvairochana Sutra and the Diamond Realm in the Diamond Crown Sutra.
10. Two students were appointed each year by the imperial court to study at Enryaku-ji temple on Mount Hiei. Dengyō decreed that one of them study the concentration and insight discipline, and the other, the Vairochana discipline. The concentration and insight discipline means to study the Lotus and other sutras and T’ien-t’ai’s work Great Concentration and Insight, and to carry out T’ien-t’ai’s meditative practices such as the four forms of meditation. The Vairochana discipline means to recite and study the sutras of the esoteric teachings.
11. Minamoto no Yorishige (d. 1219), an official of the Kamakura government. He was engaged in guarding the imperial palace, but in 1219 he came under suspicion of plotting a rebellion against the imperial court, and was attacked by the forces of the Retired Emperor Gotoba. He set fire to one of the buildings in the imperial palace and therein killed himself. It is said that at that time treasures of the imperial court were burned.
12. Seii-taishōgun in Japanese, the honorific name from which derives the title of shogun. Here, it refers to “the lord of Kamakura,” or the regent of the Kamakura shogunate, the effective leader of the military government. At the time, the shogun had become a titular position with only nominal power. The four ranks listed here are, in descending order, reigning emperor, retired emperor, imperial regent, and barbarian-subjugating general.
13. Shikan-in is another name for Chūdō, listed above in the chart.
14. Emperor Kimmei (509–571), who is now regarded as the twenty-ninth emperor, because the administration of the fifteenth ruler Empress Jingū is no longer considered a formal reign. In Nichiren Daishonin’s time, however, she was included in the lineage, so Emperor Kimmei was counted as the thirtieth sovereign.