Correct mistakes if you have committed them and guard against them if you have not.； Correct the mistakes, if any, and keep the good record if none has been committed.；
Source: 宋·朱熹《论语集注·学而篇第一》：“曾子以此三者日省其身，有则改之，无则加勉，其自治诚切如此, 可谓得为学之本矣。”
Source: 宋·朱熹《论语集注·学而篇第一》：“曾子以此三者日省其身，有则改之，无则加勉，其自治诚切如此, 可谓得为学之本矣。”