He ordained at the age of seventeen and became a student of a monk named Weichen, from whom he learned meditation at Yinsheng temple.
Dushun later retired to Zhixiang temple, a monastery in the Zhongnan mountains in the south of Shaanxi.
The second patriarch, Zhiyan (602-668 CE), studied under Dushun at Zhixiang temple and became recognized as his formal successor.
This text was composed by Zhiyan (602-668 CE), the second patriarch, but is supposedly a record of the oral teachings of Dushun.
[1] This text has been translated by Thomas Cleary embedded with the commentary by Chengguan in his Entry Into the Inconceivable.