Gan Qing Chang, White's poem "shenqing Qin people" is admirable. Mr. Ma said that four words are four products: pure taste; Caution is a virtue; Diligence is behavior; Endurance is character. He couldn't afford it, but he really liked it and made the same one himself. Ma Weidou Collection-Jade Articles by Mr. Ma, page 155, lecture 9: Jade articles in the Qing Dynasty are beautiful, extremely poor, and illustrated.