了不了義之研究--以宗喀巴《善說藏論》為主=The Study of Treatise Discriminating the Interpretable and the Definitive —- based on Tsong kha pa’s《Drang Nges Legs bShad sNying Po》
The history of Buddhism originated from India to Tibet. During its development, it has developed into different factions which have their individual systems and Sūtra. However, the Tibetans attached importance to the differences of religious doctrine and non-religious doctrine, they considered the difference will incur the wrong path of attaining Buddhahood, and greatly influenced the way of practicing the rules of Buddhism.