C170

"The source energy is the energy attribute deduced by the path of saints. When a sage discovers the source energy to the limit, he will be at the peak of the path of saints. If he wants to break through again, he will have to create a new peak.

"Limitless is at Taiji, it is at the core of yin and yang. When source energy can evolve into the origin of the Dao, then one needs yin and yang as one