From the Start, I Was the Tang Dynasty's State Preceptor, Saving the Tang Emperor in the Underworld

He once read Li Shimin's fate as [Bringing Peace to the World], then, in the ninth year of the Wude era, advised Li Shimin to stage a coup and seize power. Li Shimin subsequently appointed him National Preceptor of the Great Tang.

Yet all of this was for the sake of one monkey, and nothing else.