Ishimuro Zenku Bokusei〈Daumezan Seiryo Pagoin/Kakegosho

Calligraphy by Sekishitsu Zenkyū: A Zen Master's Voice from 1363

Tucked away in the rich collection of the Tokyo National Museum is a single hanging scroll that quietly carries the voice of one of medieval Japan's most influential Zen masters. Known formally as the Calligraphy by Sekishitsu Zenkyū: Words for the Buddhist Ceremony of Hanging the Imperial Plaque at Seiryōtō-in of Daibai-san, this work was brushed in 1363 by a seventy-year-old monk who had spent his life moving between China and Japan, between meditation halls and great temple offices. For visitors interested in calligraphy, Zen Buddhism, or the cultural ferment of the Northern and Southern Courts period, this scroll offers a remarkably intimate window onto a vanished world.

What This Work Is

The scroll is a bokuseki, the term used in Japan for calligraphy by Zen monks. It records a hōgo, or Buddhist address, that Sekishitsu Zenkyū delivered on the occasion of the formal hanging of an imperial plaque at the Seiryōtō-in (Cool Stupa Hall), the memorial cloister at Chōfuku-ji temple in Kyoto. Chōfuku-ji's mountain name was Daibai-san, literally "Great Plum Mountain," which is why the scroll's title pairs the two names together.

The plaque in question had been bestowed by the retired Emperor Gokōgon, an extraordinary honor that elevated the standing of the temple and its founding teacher's memory. The hōgo Sekishitsu offered on that day was both a prayer of dedication and a solemn act of remembrance, carried out to honor a fellow disciple of the Chinese master Gulin Qingmao. Brushed in bold, dignified strokes, the scroll preserves the physical traces of a single ceremony performed more than 660 years ago.

The Calligrapher: Sekishitsu Zenkyū

Sekishitsu Zenkyū (1294–1389) was a towering figure of Rinzai Zen during the late Kamakura and Northern and Southern Courts periods. Born in Chikuzen Province in present-day Fukuoka, he traveled to Yuan China at the age of twenty-five in 1318. There he entered the Baoning-si monastery in Jinling (modern Nanjing) and studied under Gulin Qingmao, one of the most respected Chinese Chan teachers of the age. After eight years of training, he returned to Japan in 1326 in the company of the Chinese monk Qingzhuo Zhengcheng.

Once back in his home country, Sekishitsu rose to head some of Japan's most prestigious Zen institutions, serving as abbot of Tenryū-ji in Kyoto and of both Engaku-ji and Kenchō-ji in Kamakura. In 1375 he became the founding abbot of Heirin-ji in Musashi Province (now Niiza, Saitama Prefecture), a temple still active today. He was also invited to open Kaigan-ji in Kai Province and Kōtoku-ji in Bizen. Beyond his administrative roles, he was admired as a poet of Buddhist verse and is credited with helping to lay the foundations of Gozan literature, the rich tradition of Chinese-style poetry produced by Japan's leading Zen monasteries. He lived to the age of ninety-six, an exceptional span for the era.

The Story Behind the Brushstrokes

The work cannot be fully appreciated without knowing the friendship and shared training that gave it its meaning. Sekishitsu had a senior dharma brother named Gekirin Dōkō, who in 1339 entered Chōfuku-ji in the Umetsu district of Kyoto and converted it from a Tendai institution into a Rinzai Zen monastery. In 1350 the temple received imperial patronage from Emperor Kōgon, becoming a designated prayer temple of the Northern Court. Gekirin Dōkō's death left Sekishitsu as one of the most senior surviving disciples of their shared Chinese master.

The year 1363 marked the thirteenth-anniversary memorial of Gekirin Dōkō, and around the same time Emperor Gokōgon presented an imperial plaque to honor the Seiryōtō-in, the memorial hall built for the late teacher. Sekishitsu, then seventy years old, presided over the rituals. The scroll that survives today is the speech he gave at the moment the plaque was formally hung, an act that joined imperial recognition with monastic remembrance in a single ceremony.

Why This Work Was Designated an Important Cultural Property

The scroll was designated an Important Cultural Property of Japan on June 18, 1957. Several factors converge to make it exceptional. First, it is a securely dated and documented work by Sekishitsu Zenkyū at the height of his powers, which is rare. Second, its calligraphic style is considered one of the most representative examples of his hand, with strokes that scholars have compared favorably to Jin and Tang dynasty masters and to the later Ming-Qing calligrapher Wang Duo. Third, it is intimately tied to a specific historical event involving an imperial gesture and the memory of a major Zen teacher, giving it documentary value beyond its purely artistic merits.

For students of Zen calligraphy, the scroll offers something unusual: a piece in which the writer's spiritual maturity, his classical training, and the gravity of the occasion all align. The brushwork carries weight without heaviness, and authority without ornament, qualities that bokuseki connoisseurs prize above all.

What to Look For When Viewing the Scroll

The scroll measures approximately 47 by 99.5 centimeters and is executed in ink on paper. When it appears in the Tokyo National Museum's rotating exhibitions, visitors are encouraged to spend time noticing how the characters change in tempo across the surface. Some passages are dense and emphatic, while others open up with airy spacing. This rhythmic variation is a hallmark of fine bokuseki, where the writer's breath and concentration are made visible in ink.

Look also at the physical confidence of the brush. Sekishitsu was seventy when he wrote this, and yet there is no tremor or hesitation. The strokes have what calligraphers call imposing dignity, befitting a ceremony in which an emperor's gift was being received in the name of a departed teacher. Even those who cannot read classical Chinese can feel the seriousness of the occasion in the inkwork itself.

Where to See It and What to Do Nearby

The scroll is held by the Tokyo National Museum in Ueno Park, the oldest and largest museum in Japan. Because bokuseki are sensitive to light, the work is not on continuous display; it appears periodically in the calligraphy galleries of the Honkan (Japanese Gallery) and during special exhibitions devoted to medieval Zen art. Checking the museum's exhibition schedule before a visit is strongly recommended, as is asking at the information desk on arrival.

Ueno Park itself is one of Tokyo's great cultural districts and easily fills a full day. Within walking distance you will find the National Museum of Western Art, the Tokyo Metropolitan Art Museum, the National Museum of Nature and Science, and Ueno Zoo. Just south of the park, the Ameyoko market district offers an entirely different atmosphere of food stalls and small shops. For visitors with an interest in Sekishitsu Zenkyū's wider legacy, a day trip to Heirin-ji in Niiza, Saitama, is an option that takes you to the temple he founded in 1375, where his memory is still cherished.