He pursued his thoughts on the theory of structure and training method (sitting on the floor calmly) for the mind through his encounter with Ri To, a pupil of Yo Ji's disciple, and his friendship with Cho Shoku (Kosho school), who inherited the learning from Ko Ko, the child of Ko Ankoku.
彼は楊時の再伝弟子という李トウとの出会、胡安国の子胡宏の学を承けた張ショク（湖湘学派）との交友によって心の構造論・修養法（主敬静座）への思索を深めた。