The four characters of "de xin yin shou" [”得心應手] is from Zhuang zi/Tiandao [«庄子·天道»]：“不徐不疾，得之于手而应于心.
The six characters of "liang yu zhu chuang ye hua" [”涼雨竹窗夜話] is from Su Dongpo [蘇東坡]'s «賞心十六事».
The five characters of "ping sheng yi pian xin" is from Meng Haoran [”孟浩然]'s «送朱大入秦»分手脱相赠，平生一片心。