C99 Mural
"Those who do their best know their nature; those who know their nature know the heavens. Putting one's heart in one's heart and nurturing one's nature. "Cultivators' hearts are in the sky, their hearts are in their bodies, their minds are in their minds, their hearts are in their minds, and their dantian is filled with Qi …"
Reading it carefully, compared to the contents of other murals