Nevertheless, Pan often changes his teaching methods and subjects to sustain this concentration. When deaf children finish the day's classes, they are free to go out and play.
通常聾生畫圖的耐力比一般小孩子要長，他們可以聚精會神地畫上一個半小時。為了引起學生的興趣，潘元石總是用多變化的教學法，繪畫、貼畫、水墨畫、版畫、窗花畫等。