Reishi Nyozhi Bokusei〈Seido Verse/Tenryaku Kogo Mengshun〉

Ink Calligraphy by Lingshi Ruzhi: A Masterpiece of Yuan-Dynasty Zen Brushwork

Among the many treasures of Zen calligraphy (bokuseki) preserved in Japan, the ink writing by Lingshi Ruzhi — a gatha (Buddhist verse) composed for the monk Zhèngtáng and dated to the first month of the Tianli era, gengwu year (1330) — holds a distinguished place as a designated Important Cultural Property. This remarkable work connects visitors to the spiritual world of medieval Chinese Chan Buddhism and the deep cultural exchange between China and Japan during the Kamakura and early Muromachi periods.

Who Was Lingshi Ruzhi?

Lingshi Ruzhi (霊石如芝, Japanese: Reiseki Nyoshi) was a Chinese Chan (Zen) Buddhist monk active during the late Southern Song and Yuan dynasties. He was one of the prominent disciples of the celebrated master Xutang Zhiyu (虚堂智愚, 1185–1269), who served as abbot of several of the most prestigious Chan monasteries in China, including the renowned Jingshan Wanshou Temple. Xutang Zhiyu's lineage had an enormous influence on Japanese Zen Buddhism: among his Japanese disciples was Nanpo Jōmyō (南浦紹明), whose student Shūhō Myōchō went on to found Daitoku-ji in Kyoto — one of the most important Rinzai Zen temples in Japan and a key center of the tea ceremony tradition.

Historical records show that Lingshi Ruzhi was active well into the early fourteenth century. In 1322, he composed a farewell verse for a Japanese monk known as Yū Zenin (幽禅人), and in 1329, he inscribed a colophon on a portrait of Lanxi Daolong (蘭渓道隆), the founder of Kenchō-ji in Kamakura. These records confirm his stature as a respected elder of the Yangqi lineage of the Linji (Rinzai) school during the Yuan dynasty.

Understanding the Calligraphy: The Zhèngtáng Gatha

The full formal name of this work is "Ink Calligraphy by Lingshi Ruzhi: Gatha for Zhèngtáng, First Month of the Gengwu Year of the Tianli Era" (霊石如芝墨蹟〈正堂偈／天暦庚午孟春〉). In the Zen tradition, a gatha (偈) is a verse that encapsulates Buddhist teachings or offers spiritual guidance. This particular gatha was written for a monk or practitioner called Zhèngtáng (正堂), perhaps as a parting gift or a statement of dharma instruction.

The date "Tianli gengwu mengchun" (天暦庚午孟春) corresponds to the first lunar month of 1330, during the reign of Emperor Wenzong of the Yuan dynasty. This places the work at a time when Chinese Chan monasteries were flourishing under Mongol patronage, and cultural exchanges with Japan were at their peak.

Why This Work Is Designated an Important Cultural Property

Zen calligraphy, or bokuseki, occupies a unique position in the world of East Asian art. Unlike the refined elegance of courtly calligraphy (kohitsu), bokuseki is prized for its directness, spiritual intensity, and the sense that the writer's inner state has been transmitted directly through the brush. Each stroke is considered a manifestation of the practitioner's enlightenment.

The calligraphy by Lingshi Ruzhi is valued for several reasons. First, it is an authentic work by a direct disciple of Xutang Zhiyu, one of the most revered figures in the lineage that gave rise to Daitoku-ji and Myōshin-ji — the two temples that came to dominate Rinzai Zen in Japan. Second, as a dated work from 1330, it provides important historical evidence of the continued vitality of Xutang's lineage into the Yuan period. Third, the calligraphic style itself — characterized by the vigorous brushwork and spiritual gravitas typical of the Yangqi lineage — represents an important example of Yuan-dynasty Chan calligraphy.

The Significance of Bokuseki in Japanese Culture

Zen calligraphy has played a central role in Japanese culture since the Kamakura period, when Japanese monks traveled to China to study under Song and Yuan masters. The calligraphic works they brought back — or that were sent to Japan by Chinese masters — became treasured objects in Zen monasteries. Over time, these works also became deeply intertwined with the tea ceremony (chanoyu), where hanging a bokuseki scroll in the alcove (tokonoma) of the tea room became the highest form of aesthetic expression.

The works of Xutang Zhiyu and his circle were especially prized in the tea world, due to the lineage connection with Daitoku-ji, which had close ties with the great tea masters. Even today, bokuseki by masters of this lineage command the utmost respect among practitioners of the tea ceremony and Zen Buddhism alike.

Visiting and Viewing the Work

As a privately owned Important Cultural Property located in Kyoto Prefecture, this calligraphy is not on permanent public display. Like many bokuseki treasures in Japan, it may be exhibited on special occasions at major museums such as the Kyoto National Museum or the Tokyo National Museum, often during exhibitions devoted to Zen art or the art of calligraphy. Visitors interested in viewing this work are advised to check museum exhibition schedules for special showings of Zen calligraphy.

Kyoto itself offers abundant opportunities to experience the world of Zen calligraphy and culture. Daitoku-ji and its many sub-temples house important collections of bokuseki, while the Kyoto National Museum periodically exhibits major works of Zen art and calligraphy. The atmosphere of these historic Zen precincts provides the ideal context for appreciating the spiritual depth of works like the Lingshi Ruzhi gatha.

Nearby Attractions in Kyoto

Kyoto Prefecture, where this Important Cultural Property is held, is home to an extraordinary wealth of cultural heritage. Visitors can explore Daitoku-ji, the great Rinzai Zen temple complex in northern Kyoto, which preserves some of the finest Zen art and garden architecture in Japan. The Kyoto National Museum, located in the Higashiyama district, regularly exhibits calligraphy, painting, and other arts related to the Zen tradition. Nearby, the temples of Kinkaku-ji, Ryōan-ji, and Nanzen-ji offer further immersion in Zen aesthetics and philosophy.

For those interested in tea culture and its connections to Zen, the Urasenke and Omotesenke tea schools in Kyoto offer occasional public tea gatherings where the tradition of displaying bokuseki in the tea room can be experienced firsthand.