Li I-hung, a former student of master painter Chiang Chao-shen, recalls that when Chiang took his students into field, he simply encouraged them to open up their minds and observe. He did not allow them to make on-the-spot sketches, nor did he assign home-work upon returning.
身為國畫大師江兆申入室弟子的李義弘，回憶江兆申帶學生出遊時，只鼓勵學生敞開胸懷、觀察體悟，卻不做現場寫生、也不要求回來後要交什麼作業。