In"Lam rim chen mo", Master Tsong kha pa made it clear that the tri puruṣa paths are the framework of the whole treatise. It was divided into the adhmapuruṣa path,the madhyamapuruṣa path and the uttamapuruṣa path. Each of the three stages has its own learning objectives and content. The former category is the basis of the latter category. Each of the three stages tightly bonds, so you have to follow this practice sequence. The source of "Lam rim chen mo" comes from " Lamp for the Path to Enlightenment. " The short 58 Gāthā illustrate the core of the tri puruṣa paths. And it especially explains the combination of three trainings and the tri puruṣa paths. Ethics:Prātimokṣa Vows,Whishing bodhicitta,committed bodhicitta. Concentration:Get supernatural powers to quickly gather accumulations. Wisdom:Practicing tranquility and contemplating profound wisdom of emptiness. Master Tsong kha pa wrote "Lam rim chen mo" which based on the core idea of "Atīśa 's Lamp for the Path to Enlightenment." Master Tsong kha pa regarded the concept of "Renunciation","Bodhicitta" and " śūnyatā correct view" as the "Essence of the Buddha’s Inheritance",which are the three essential elements of Buddhism.The adhmapuruṣa path and the madhyamapuruṣa path belong to renunciation. The uttamapuruṣa path belongs to "Bodhicitta" and " śūnyatā correct view." The three most important core ideas of the way to become a Buddha. Following the order of the way is the safest and fastest way to become a Buddha.