《梦溪笔谈·补笔谈卷一》
京城僧人慧日大师夷中完全学到了朱文济的技法，将弹琴技法传授给了越地的僧人义海。义海全面掌握了夷中的弹琴技艺，于是来到越州法华山中潜心练习，谢绝人际交往，累计十年不曾下山，白天黑夜手不离弦，终于掌握了弹琴的奥秘。
京师僧慧日大师夷中尽得其法，以授越僧义海，海尽夷中之艺，乃入越州法华山习之，谢绝过从，积十年不下山，昼夜手不释弦，遂穷其妙。
The monk Huiri Master Yizhong from the capital learned all the techniques of Zhu Wenji and passed them on to the monk Y ihai from Yuedi. Y ihai fully mastered the piano skills of Yizhong, so he came to the Fahua Mountain in Yuezhou to practice hard, refused to socialize, and never went down the mountain for ten years. He practiced day and night, and finally mastered the secret of playing the piano.