Although he comes from the days when the Department of Fine Arts did not ask students to specialize and therefore gave them a sound grounding in all technical aspects, Dai's inner world in fact comes from outside of painting, from what the early-19th century painter and scholar Lu Yanshao recommended: "four parts calligraphy, three parts reading, and only three parts for painting."
雖然他出身早年師大美術系不分科的藝術全才訓練，功夫紮實，但戴武光自詡的意境其實來自民初陸儼少強調的畫外之功，即「四分習字、三分讀書、留下三分才畫畫。」