"Yu Yu Yang reinterpreted where the sources of Buddhist carving lie, discarding the idea that the Gandhara style was influenced by Greek sculpture, replacing this with the round healthy face of a Chinese person as the model, which is far more in keeping as a model for the aesthetic principles underlying Chinese sculpture," the former director of the Palace Museum, Chin Hsiao-yi wrote of him in a paper.
「他改寫佛像雕塑的源頭，捨棄受希臘風格影響的犍陀羅造型，而代之以中國人圓融、健康的面相，更為中國造形藝術審美理則奠立典範。」前故宮博物院院長秦孝儀曾為文論述。