The Ijangui, or Doctrine of the Two Hindrances, is an in-depth treatise concerning the various theories developed on the doctrine of the two hindrances of the YogÃÂcÃÂra school of Buddhism, by the Korean scholar-monk Wonhyo. This treatise examines and compares the various explications regarding the two hindrances as found in the major YogÃÂcÃÂra texts, including the YogÃÂcÃÂrabhà «mi-à ÂÃÂstra, Saá¹Âdhinirmocana-sà «tra, MahÃÂyÃÂnÃÂbhidharma-samuccaya-vyÃÂkhyÃÂ, à ÂrëmÃÂlÃÂdevë-simhanÃÂda-sà «tra and Xianyang lun, along with a wide range of other MahÃÂyÃÂna texts.