Don’t Flaunt Faults of Others
Once when Al-Kisai and Al-Yazidi were gathered before the ruler, Ar-Rashid, the time for Maghrib prayer set in, and they had to choose someone among them to lead the prayer. It wasn't a difficult choice, for Al Kisai was a well-known reciter of the Qur'an: until this very day, he is known as one of the Seven Famous Reciters. After the prayer commenced and after he finished reading the "Opening Chapter" of the Qur'an, Al-Kisai then proceeded to recite "The Disbelievers Chapter":
"Say: (0 Muhammad to these disbelievers): "0 Al- - - - .”- Kafirun '(disbelievers in Allah, in His Oneness, and in His Angels, in His Books, in His Messengers, in the Day Of Resurrection, and in Al-Qadar, etc.)!" (Qur'an 109: 1)
Although this is one of the shortest chapters of the Qur'an and one that is memorized by most young children, Al Kisai made a mistake in his recitation of it. When the prayer was over, Al-Yazidi exclaimed, exhibiting a great deal of surprise, "The Reciter and Imam of Kufa being confused about, making a mistake in, and forgetting the
'Chapter of the Disbelievers!":
When it came time to perform the 'lsha prayer later in the night, Al-Yazidi did not wait but instead put himself forward to lead the people in prayer. As soon as the prayer commenced, his voice ' began to tremble, and he forgot that Chapter of the Qur'an which is easiest to remember of all, "The Opening Chapter":
"All the praises and thanks be to Allah, the Lord (If all that exists" (Qur'an 1: 1).
When the prayer was over, Al-Kisai turned to Al-Yazidi and said, "Hold back your tongue and do not speak, or else you will be put to trial. Indeed, it is guaranteed for one to be put to trial when he opens his mouth [to flaunt the faults of others]."