14-The words of Imam Ali (as): Fortunate is the one who learns a lesson from the faults of others.

Educational explanation of Imam Ali’s words by HIWM Syed Ali Raza Rizvi
قال الإمام علي (عليه السلام): السَّعِيدُ مَنْ وُعِظَ بغَيْرِهِ
سعادتمند کسی است که از دیگران پند بیاموزد.
Imam Ali ibn Abi Talib (as): Fortunate is the one who learns a lesson from the faults of others.