Perfect Enlightenment Sutra ［円覚経］ (Chin Yüan-chüeh-ching; Engaku-kyō): An abbreviation of the Complete and Final Teaching on Perfect Enlightenment Sutra. A sutra translated into Chinese in 693 by Buddhatāra who had gone to China from Kashmir. In this sutra, Shakyamuni explains the mystic principle of perfect enlightenment and the practice for its attainment to an audience of twelve bodhisattvas including Manjushrī, Universal Worthy, and Maitreya. Contemporary scholars view this sutra as a work produced in China, where this sutra was widely read and a number of commentaries written on it. It had considerable influence on the Flower Garland (Hua-yen) and Zen (Ch’an) schools, and was regarded highly by the Zen school in particular.