On Repaying Debts of Gratitude
NichirenChapter11(The Propagation of the Teachings by the Great Teacher Dengyō in Japan)
Main Text
Turning now to Japan, we find that, in the reign of the thirtieth sovereign Emperor Kimmei, on the thirteenth day of the tenth month in the thirteenth year of his reign (552), cyclical sign mizunoe-saru, a copy of the Buddhist scriptures and a statue of Shakyamuni Buddha were brought to Japan from the Korean kingdom of Paekche. And in the reign of Emperor Yōmei, Prince Shōtoku began the study of Buddhism. He dispatched a court official named Wake no Imoko to go to China and bring back the copy of the Lotus Sutra in one volume that had belonged to him in a previous life,33 and expressed his determination to honor and protect the sutra.
Later, by the reign of the thirty-seventh sovereign Emperor Kōtoku, the Three Treatises, Flower Garland, Dharma Characteristics, Dharma Analysis Treasury, and Establishment of Truth schools were introduced to Japan and, in the time of the forty-fifth sovereign Emperor Shōmu, the Precepts school was introduced, thus making a total of six schools. But during the time from Emperor Kōtoku to the reign of the fiftieth sovereign Emperor Kammu, a period of over 120 years under fourteen reigns, the T’ien-t’ai and True Word schools had not yet been introduced.
During the reign of Emperor Kammu, there was a young priest named Saichō who was a disciple of the Administrator of Priests Gyōhyō of Yamashina-dera temple. He made a thorough study of Dharma Characteristics and the others of the six schools mentioned above, but he felt that he had yet to reach a true understanding of Buddhism. Then he came upon a commentary that the Dharma Teacher Fa-tsang of the Flower Garland school had written on The Awakening of Faith in the Mahayana, and in it were quotations from the works of the Great Teacher T’ien-t’ai.
These works of T’ien-t’ai seemed to be worthy of special attention, but Saichō did not even know whether they had yet been brought to Japan or not. When he questioned someone about this, the person replied that there had been a priest named the Reverend Chien-chen, [known as Ganjin in Japan], of a temple called Lung-hsing-ssu in Yang-chou in China who had studied the T’ien-t’ai teachings and had been a disciple of the Discipline Master Tao-hsien. Toward the end of the T’ien-pao era (742–756), he journeyed to Japan, where he worked to spread a knowledge of the Hinayana rules of monastic discipline. He had brought with him copies of the works of T’ien-t’ai, but had not attempted to disseminate them. All this took place, Saichō was told, during the time of the forty-fifth sovereign Emperor Shōmu.
When Saichō asked if he could see these writings, they were brought out and shown to him. On his first perusal of them, he felt as though he had been awakened from all the delusions of birth and death. And when he began to consider the basic doctrines of the six schools of earlier Buddhism in the light of what he found in these writings, it became apparent that each of the schools was guilty of doctrinal error.
Immediately he vowed to do something about the situation, saying, “Because the people of Japan are all patrons of those who are slandering the correct teaching, the nation will surely fall into chaos.” He thereupon expressed his criticisms of the six schools, but when he did so, the great scholars of the six schools and the seven major temples of Nara rose up in anger and flocked to the capital, until the nation was in an uproar.
These men of the six schools and seven major temples were filled with the most intense animosity toward Saichō. But as it happened, on the nineteenth day of the first month in the twenty-first year of the Enryaku era (802), Emperor Kammu paid a visit to the temple called Takao-dera, and he summoned fourteen eminent priests—namely, Zengi, Shōyū, Hōki, Chōnin, Kengyoku, Ampuku, Gonzō, Shuen, Jikō, Gen’yō, Saikō, Dōshō, Kōshō, and Kambin—to come to the temple and debate with Saichō.
These various men of the Flower Garland, Three Treatises, Dharma Characteristics, and other schools expounded the teachings of the founders of their respective schools just as they had learned them. But the Honorable Saichō took notes on each point put forward by the men of the six schools and criticized it in the light of the Lotus Sutra, the works of T’ien-t’ai, or other sutras and treatises. His opponents were unable to say a word in reply, their mouths as incapable of speech as if they were noses.
The emperor was astounded and questioned Saichō in detail on various points. Thereafter he handed down an edict criticizing the fourteen men who had opposed Saichō.
They in turn submitted a memorial acknowledging their defeat and apologizing, in which they said, “We, students of the seven major temples and six schools, . . . have for the first time understood the ultimate truth.”
They also said, “In the two hundred or more years since Prince Shōtoku spread the Buddhist teachings in this country, a great many sutras and treatises have been lectured upon, and their principles have been widely argued, but until now, many doubts still remained to be settled. Moreover, the lofty and perfect doctrine of the Lotus Sutra had not yet been properly explained and made known.”
They also said, “Now at last the dispute that has continued so long between the Three Treatises and Dharma Characteristics schools has been resolved as dramatically as though ice had melted. The truth has been made abundantly clear, as though clouds and mist had parted to reveal the light of the sun, moon, and stars.”
The Reverend Saichō, in his appraisal of the teachings of his fourteen opponents, wrote as follows: “You each lecture upon the single scripture [of your own school], and though you sound the drums of the teachings within the deep valleys, both lecturers and hearers continue to go astray on the paths of the three vehicles. Though you fly the banners of doctrine from lofty peaks, and both teachers and disciples have broken free from the bonds of the threefold world, you still persist on the road of the enlightenment that takes countless kalpas to achieve, and confuse the three kinds of carts with the great white ox cart outside the gate.34 How could you possibly attain the first stage of security and reach perfect enlightenment in this world that is like a house on fire?”
The two court officials [Wake no] Hiroyo and Matsuna35 [the brothers who were present at the debate] commented as follows: “Through Nan-yüeh, the wonderful Law of Eagle Peak was made known, and through T’ien-t’ai, the wonderful enlightenment of Mount Ta-su36 was opened up. But one regrets that the single vehicle of the Lotus is impeded by provisional teachings, and one grieves that the unification of the three truths has yet to be made manifest.”
The fourteen priests commented as follows: “Zengi and the others of our group have met with great good fortune because of karmic bonds and have been privileged to hear these extraordinary words. Were it not for some profound karmic tie, how could we have been born in this sacred age?”
These fourteen men had in the past transmitted the teachings of the various Chinese and Japanese patriarchs of their respective schools such as Fa-tsang and Shinjō of the Flower Garland school, Chia-hsiang and Kanroku of the Three Treatises school, Tz’u-en and Dōshō of the Dharma Characteristics school, or Tao-hsüan and Ganjin of the Precepts school. Thus, although the vessel in which the water of the doctrine was contained had changed from generation to generation, the water remained the same.
But now these fourteen men abandoned the erroneous doctrines that they had previously held, and embraced the teachings of the Lotus Sutra as expounded by Saichō, the Great Teacher Dengyō. Therefore, how could anyone in later times assert that the Flower Garland, Wisdom, or Profound Secrets Sutra surpasses the Lotus Sutra?
These fourteen men had of course studied the doctrines of the three Hinayana schools [Establishment of Truth, Dharma Analysis Treasury, and Precepts]. But since the three Mahayana schools [of Flower Garland, Three Treatises, and Dharma Characteristics] had suffered a doctrinal defeat, we need hardly mention the Hinayana schools. However, there are some people today who, being unaware of what actually happened, believe that one or another of the six schools did not suffer a doctrinal defeat. They are like the blind who cannot see the sun and moon, or the deaf who cannot hear the sound of thunder, and who therefore conclude that there are no sun and moon in the heavens, or that the skies emit no sound.
Notes
33. This story appears in The Genkō Era Biographies of Eminent Priests, written in Japan by the Zen priest Kokan Shiren (1278–1346). Tradition also has it that, in a previous life, Shōtoku was Nan-yüeh, T’ien-t’ai’s master.
34. Reference is to the parable of the three carts and the burning house in chapter 3 of the Lotus Sutra.
35. Hiroyo and Matsuna were sons of Wake no Kiyomaro, a court official. In 802, in response to an imperial command, they assembled fourteen learned priests from the seven major temples of Nara at Mount Takao to debate with Dengyō. Later, they supported Dengyō in establishing the Tendai school.
36. The place where T’ien-t’ai studied under Nan-yüeh and is said to have awakened to the truth of the Lotus Sutra.
Lecture
The Wide Propagation of the Lotus Sutra by the Great Teacher Dengyō in Japan
This chapter clarifies how Dengyō Daishi widely propagated the Lotus Sutra in Japan.
Fundamentally, the Japanese people are a nation deeply connected to the Lotus Sutra and have profound karmic ties to Mahayana Buddhism. Numerous ancient records attest to this, and a few representative examples may be cited.
In Maitreya Bodhisattva’s Yogācārabhūmi-śāstra, it is stated:
“In the eastern direction there is a small country, and within it there exists only the lineage of the Mahayana.”
In the Record of the Translation of the Scriptures by Sengzhao (Jōkō), it is said:
“The Great Master Sūryasoma held the Lotus Sutra in his left hand and, placing his right hand upon the head of Kumārajīva, entrusted it to him, saying: ‘… This scripture has karmic affinity with the lands of the northeast. You must transmit and propagate it with utmost care.’”
In the writings of the Fundamental Master (Dengyō Daishi), it is stated:
“In terms of the age, it is the end of the Semblance Dharma and the beginning of the Latter Day; in terms of location, it lies east of Tang and west of Katsu (Korea).”
Here, “east of Tang and west of Katsu” unmistakably refers to Japan.
In Ongi Kuden it is stated:
“This passage on how the eight-year-old dragon girl attained Buddhahood is particularly noteworthy because it refers to the ancestors of the rulers who uphold the Lotus Sutra. The first p.107human sovereign of Japan was Emperor Jimmu. Emperor Jimmu was the son of Ugayafuki-aezu-no-mikoto, the fifth of the five generations of earthly deities. The mother of Ugayafuki-aezu-no-mikoto was Princess Toyotama, the daughter of the dragon king Sāgara and an elder sister of the eight-year-old dragon girl. Therefore we know that the ancestors of the rulers of Japan were votaries of the Lotus Sutra, a fact of profound significance, a fact of profound significance!” (OTT, p.107)
The Introduction of Buddhism to Japan
Buddhism was introduced to Japan in the 13th year (552) of Emperor Kinmei, the 30th emperor. Envoys of King Seong of Baekje presented Buddhist scriptures, treatises, images of Śākyamuni Buddha, and monks and nuns.
According to the Nihon Shoki, in the winter of that year, on the 13th day of the tenth month, King Seong of Baekje dispatched his minister, Noryang Sachi and others, to present a gilt-bronze image of Śākyamuni Buddha, banners and canopies, and various scriptures and commentaries.
He also submitted a formal memorial praising the merits of faith and propagation, stating in part:
“Among all teachings, this Dharma is the most supreme, profound, difficult to understand, and difficult to enter. Even the Duke of Zhou and Confucius could not comprehend it. This Dharma gives rise to immeasurable and boundless merits, leading ultimately to unsurpassed enlightenment. It is like possessing a wish-fulfilling jewel, which supplies all needs according to one’s desire. This wondrous Dharma jewel is the same. From India through the Three Korean Kingdoms, it has been upheld and revered without exception. Therefore, I, King Seong of Baekje, respectfully dispatch my minister to transmit it to the imperial land, allowing it to circulate throughout the capital region, thereby fulfilling the Buddha’s prophecy that ‘My Dharma shall flow eastward.’”
This was an official offering of the Three Treasures—Buddha, Dharma, and Sangha—from one sovereign to another. While some dispute this memorial’s authenticity, it is noteworthy that the grand idea of “the Dharma flowing eastward” was already present at that time.
Nichiren Daishonin, in Rulers of the Land of the Gods, cites a different memorial, likely drawn from an ancient Japanese record now lost. It states:
“The memorial accompanying it reads: “Your servant has heard that, of all the ten thousand doctrines, the doctrine of the Buddha is the finest. In dealing with worldly affairs as well, the Buddhist doctrine is most superior. Your Imperial Majesty too should practice it. Therefore with all due respect I have entrusted to my envoy this Buddhist image, the sacred writings, and Buddhist teachers, and present them herewith. I urge Your Majesty to put faith in them.” (WND1, p.613)
The Flourishing of Buddhism under Prince Shōtoku
Prince Shōtoku, son of Emperor Yōmei and regent to Empress Suiko, greatly advanced Buddhism in Japan. He personally lectured on the sutras and authored commentaries on the Śrīmālādevī Sutra, the Vimalakīrti Sutra, and the Lotus Sutra. He also established the Seventeen-Article Constitution, grounding state governance in Buddhist principles.
Prince Shōtoku is said to have obtained “a single volume of the Lotus Sutra previously upheld by my teacher” from China—something modern people may find unimaginable, yet entirely plausible given the continuity of life across the three existences.
In The Opening of the Eyes, it is recorded that Prince Shōtoku encountered disciples from the continent who had once been his own students in a past life:
“Prince Shōtoku of Japan was the son of Emperor Yōmei, the thirty-second sovereign. When he was six years old, elderly men came to Japan from the states of Paekche and Koguryŏ in Korea and from the land of China. The six-year-old prince thereupon exclaimed, “These are my disciples!” and the old men in turn pressed their palms together in reverence and said, “You are our teacher!” This was a strange happening indeed.” (WND1, p.254)
Prince Shōtoku lectured on the Lotus Sutra in 607 and completed the four-volume Hokke Gisho in 615. These manuscripts, recently discovered among imperial treasures, are the oldest extant Japanese writings and handwriting.
Although influenced by Fazun of Guangzhai Temple, Prince Shōtoku’s commentary was written independently. However, the profound doctrines such as ichinen sanzen were later fully elucidated by Zhiyi, Dengyō Daishi, and ultimately Nichiren Daishonin. For this reason, Nichiren Daishonin did not rely on Prince Shōtoku’s Hokke Gisho.
The Great Teacher Dengyō’s Admonition of the State
As previously explained, the propagation of Buddhism requires admonishing the state and holding public debates to clarify right and wrong teachings.
During Dengyō Daishi’s time, Emperor Kanmu discerned true Buddhism and supported the wide propagation of the Lotus Sutra, ushering in the long peace and cultural flourishing of the Heian period.
In 802, at age 36, Dengyō Daishi expounded the Lotus Sutra before leading monks at Takaosan-ji. Until his passing in 822, he established the Tendai monastic code, authored the Kenkairon, and called for the establishment of the Mahayana ordination platform, which was approved shortly after his death.
This unified Japanese Buddhism, affirming the Lotus Sutra as its philosophical core and recognizing Tendai doctrines such as ichinen sanzen and the perfect integration of the Three Truths as supreme.
The Strange Nature of Modern Buddhist Organizations
In modern Japan, two particularly peculiar organizations exist: the All Japan Buddhist Federation and the New Religions Federation.
The former, plagued by internal conflicts and discriminatory practices, has strayed far from the Buddhist ideal of saving the people. The latter, lacking coherent philosophy, represents religion reduced to mere enterprise.
Yet history and reason alike show that no matter how such groups unite against the True Law, their inner discord and erroneous doctrines will inevitably lead to their downfall—just as demonstrated by the public debates of Zhiyi and Dengyō Daishi, and the state admonitions of Nichiren Daishonin.

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