《容斋随笔·卷三·儒人论佛书》
元微之作《永福寺石壁记》也说： 佛经的奥妙，僧人应当对我说，我不应当给僧人说。 
元微之作《永福寺石壁记》云： 佛寺之妙奥，僧当为予言，予不当为僧言。 
Yuan Wei Zhi’s Record of Stone Monoliths at Yongfu Temple also says that Buddhists should tell me the secrets of the Scripture, I should not tell Buddhists.