Shakumaka Enron (Treatise on Śākyamuni)

Basic Information

Catalog ID: 201
Item ID: 753
Category: Calligraphy and Books
Country: China
Period: Tang Dynasty
Date designated: June 27, 1959
Prefecture: Shiga
Location: 123 Ishiyamadera Honcho, Otsu City, Shiga Prefecture
Owner: Ishiyamadera Temple

Source: Excerpted from the National Designated Cultural Properties Database (https://kunishitei.bunka.go.jp/bsys/index)

Overview

The Shakumaka Enron is a commentary on the Mahāyāna Qīxīnlún (Dainichi Qixian Lun, or Great Vehicle Treatise on Awakening Faith). This specific copy (five volumes), which has been passed down to Ishiyamadera Temple in Shiga Prefecture, is an extremely valuable manuscript. It was originally copied during China’s Tang Dynasty and is known as a sacred text that profoundly influenced Japanese Buddhism, particularly the development of Esoteric Buddhism (Mikkyō or Vajrayana).

Historical Background

This work was compiled and written in Tang Dynasty China before being brought to Japan between the Nara Period (710–794) and the Heian Period (794–1185). The treatise is attributed to Nāgārjuna (Ryūju Bodhisattva) of India, leading to scholarly debate over its authenticity. However, Kūkai (Kōbō Daishi), the founder of Shingon Buddhism, highly valued this text. Kūkai utilized Shakumaka Enron extensively in his own works, such as the Jūjishinron, positioning it as a critical treatise that underpinned the fundamental doctrines of Esoteric Buddhism. Consequently, since the Heian Period, it has been carefully preserved and passed down through esoteric temples as a foundational scripture for their respective sects. Ishiyamadera Temple has long served not only as a sacred site for Kannon worship but also as a cultural center housing an immense collection of Buddhist texts; Shakumaka Enron has been protected within this history.

Features and Significance

This manuscript possesses both historical value and artistic/documentary merit, conveying the techniques and culture of the time it was copied.

Masterpiece of Tang Dynasty Manuscripts: The text is written in refined Kaisho script (standard block print) characteristic of the Tang period. Every character is inscribed with strict precision and formality. It serves as a rare primary source confirming the advanced scribal techniques used in China during that era.
Source of Esoteric Doctrine: In terms of content, it deeply discusses cosmic truth and the state of enlightenment. Its importance lies in being the theoretical pillar upon which Kūkai built his entire philosophical system.
Excellent Preservation: Despite spanning over a thousand years, the ink color and paper texture are remarkably well preserved, transmitting the spirit of the past into the modern era.
Ishiyamadera Provenance: Ishiyamadera Temple is an ancient temple founded by imperial decree for Emperor Shōmu. It houses a vast collection of valuable texts, including the Ishiyamadera Issai Kyō. Among these, Shakumaka Enron holds high value as an independent National Treasure due to its rarity as a Tang Dynasty copy and its doctrinal significance.