Diamond Sutra

The Diamond Sūtra (Sanskrit:Vajracchedikā Prajñāpāramitā Sūtra) is a Mahāyāna (Buddhist) sūtra from the Prajñāpāramitā, or "Perfection of Wisdom" genre, and emphasizes the practice of non-abiding and non-attachment. The Diamond sutra is one of the most influential Mahayana sutras in East Asia, and is a key object of devotion and study in Zen Buddhism.

A copy of the Chinese version of Diamond Sūtra, found among the Dunhuang manuscripts in the early 20th century by Aurel Stein, was dated back to May 11, 868. It is, in the words of the British Library, "the earliest complete survival of a dated printed book."

The Sanskrit title for the sūtra is the Vajracchedikā Prajñāpāramitā Sūtra, which may be translated roughly as the "Vajra Cutter Perfection of Wisdom Sūtra." In English, shortened forms such as Diamond Sūtra and Vajra Sūtra are common. The title relies on the power of the vajra (diamond or thunderbolt) to cut things as a metaphor for the type of wisdom that cuts and shatters illusions to get to ultimate reality. The sutra is also called by the name Triśatikā Prajñāpāramitā Sūtra (300 lines Perfection of Insight sutra).

The Diamond Sūtra has also been highly regarded in a number of Asian countries where Mahāyāna Buddhism has been traditionally practiced. Translations of this title into the languages of some of these countries include:

The full history of the text remains unknown, but Japanese scholars generally consider the Diamond Sūtra to be from a very early date in the development of Prajñāpāramitā literature. Some western scholars such as Gregory Schopen also believe that the Aṣṭasāhasrikā Prajñāpāramitā Sūtra was adapted from the earlier Vajracchedikā Prajñāpāramitā Sūtra. Early western scholarship on the Diamond Sūtra is summarized by Müller.

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