In order to achieve greater perfection, he took up the challenge of portraying skin texture, showing all the intricate pores and wrinkles of the skin, which historically had been entirely absent in fine carvings.
為了臻至完美，他挑戰木雕史上從未有過的「膚質」表現，也就是在木雕表面呈現人類皮膚複雜多變的毛孔紋線質感。