Зөв итгэл үнэмшил, хүмүүн заяаны үнэлэмж, гэгээрэхүйн үе шат, юуг авах, юуг орхих, "найман номын толгойг тэгшлэх", "ашдын арван эд", бодь мөр, оюуны хөгжлийн үе шатууд 

Aspect concerning human development is still remain one the fundamental subject of any religion and philosophy in Oriental and Western. In Buddhism, this aspect is regarded as the basic as the theory, practices, way of life in Therevada and Mahayana traditions. In Mahayana philosophy of Buddhism, subject of study so called ''Path to Enlightenment'' in the framework of Prajana pramitta teachings which is thought by Buddha Sakyamuni 2500 years ago for the benefit of all sentient beings. Later it transmitted and developed by great saints and thinkers from various countries and nationalities who followed his great thought on human development, mental or spiritual in particular. Among them, Mongolian Buddhist thinkers made not only great contribution in it and but they have done much work as method and wisdom in the Part to Enlightenment or human spiritual development as stated as ''During the nearly 600 years since the writing, the beneficiaries of the great treatise have mainly been Tibetans and Mongolians, still numbering in the millions.''
In this connection, study on the philosophical works and thoughts by Mongolian Buddhist Thinkers is one of essential subjects of Buddhist studies, Agvaandamba lama (Elden Beiliin Lama) who lived in XYIII, made great thought and for this noble aspects of human development aspect by his philosophy works.