At the same time, Yang admits that eco-painting has huge limitations. "But I like it. I like the classics, tradition, and precision, and I despise pointless 'free painting.'"
從另一個角度看，「生態繪畫是有很大的制約，」楊恩生承認，「但是我喜歡──我喜歡典雅的、傳統的、精確的，最討厭的就是沒有目標、自以為是的自由畫！」