《晋书·列传·第六章》
汉末张芝也善于草书，评论者说卫权得到了伯英书法的筋，索靖得到了伯英书法的肉。
汉末张芝亦善草书，论者谓瓘得伯英筋，靖得伯英肉。
Zhang Zhi of the late Han Dynasty was also good at cursive script. Critics said that Wei Quan acquired the sinews of Boying's calligraphy, while Suo Jing acquired the flesh of Boying's calligraphy.