고려시대 조계종의 개조 (開祖) 보조국사 지눌 (普照國師 知訥)이 화엄 (華嚴)의 대의 (大意)를 밝힌 책. 성불론 (成佛論)이라고도 말함

Perfect and Sudden Attainment of Buddhahood: This is the work of the National Teacher Jinul, the founding Patriarch of the Jogye Order of the Goryeo Dynasty. It expresses general ideas on the doctrine of the Flower Garland Sutra.