This paper explores life meaning of Wang Yang-ming. The focus was on the Self (Innate Good). When young, Wang failed to pass imperial examinations twice and was unable to understand thoughts of Zhu Xi. He wanted to be a person of holiness inside and reason outside but in vain. The three difficulties made him continue unearthing the meaning of life Not until he finally realized the Entity in Longchang in Gueizbou did he understand the Nouslogy. He then started propagated the life education of the Self. To him, every one had Innate Good. Some did not know the fact of all in one. These people defined themselves and lived in their Ego. Innate Good generated experienced knowledge from cultivation of moral character. It was the origin of knowledge and the meaning was beyond knowledge from texts and study. He transformed the meaning of sages and ordinaries. The difference was no longer evaluation under moral standards but whether they could realize the realm of holiness. When educating his disciples, he focused on enlightenment of the Self, but did not abandon people's personalities. Those who were radical and conservative could have respective achievements. Such attitudes brought difficulties afterwards. After the middle of Ming Dynasty, pass ion of discovering the Ego was not fully solved. Was the Self in conflict with the Ego? Today, in the exploration of life education, this is still a tough issue.