Chuang, who is an expert of the National Palace Museum and familiar with the writing brushes and ink-slabs of China's imperial past, became Li's calligraphy teacher.
在莊嚴收藏的古筆中，有一枝唐朝的「天平筆」，十分特別。它的筆頭既短且胖，而筆鋒卻忽然瘦了下來。據說這種筆下筆後字體的粗細變化很強烈，古時專門用來抄寫經文。