His conversational language is a beautiful, interesting prose. He deems knowledge a great help to a painter. Particularly so when he adopts material from historical and literary classics, because his works will be narrative and contain a more in-depth significance.
而這種累積起來的學識，他認為對一個畫家有很大的幫助，尤其以文史材料入畫時，能使作品具有「敘事性」，因之也有了「事件」以外的未盡之意，更能耐人尋味。