Golden Light Sutra

The Golden Light Sutra or Suvarṇaprabhā Sūtra (Sanskrit: सुवर्णप्रभासोत्तमसूत्रेन्द्रराज, IAST: Suvarṇaprabhāsottamasūtrendrarājaḥ), also known by the Old Uygur title Altun Yaruq, is a Buddhist text of the Mahayana branch of Buddhism. In Sanskrit, the full title is The Sovereign King of Sutras, the Sublime Golden Light.

The sutra was originally written in India in Sanskrit and was translated several times into Chinese by Dharmakṣema and others, and later translated into Tibetan and other languages. Johannes Nobel published Sanskrit and Tibetan editions of the text. The sutra is an extremely important Mahayana sutra, and one of the most popular Mahayana sutras of all time.

The name of the sutra derives from the chapter called "The Confession of the Golden Drum", where the bodhisattva Ruchiraketu dreams of a great drum that radiates a sublime golden light, symbolizing the dharma or teachings of Gautama Buddha.

The Golden Light Sutra became one of the most important sutras in Japan because of its fundamental message, which teaches that the Four Heavenly Kings (Chinese: 四大天王; pinyin: Sì Dàtiānwáng) protect the ruler who governs his country in the proper manner.

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