Zhizhou （668-723） A teacher of the lineage of the Faxiang 法相 in China. He is considered as either the third or fourth patriarch of the sect depending upon whether Xuanzang 玄奘 is considered to be the first. He wrote the Cheng weishi lun yanmi （成唯识论演秘）. His Yanmi （演秘）， Kuiji's Shouyao （成唯识论枢要） and Shouji （成唯识论述记） and Chengweishi^un liaoyi deng （成唯识论了义灯） are considered basic reading for the student of Consciousness-only.