Musnad Ahmad 14960

Translation

✧ Mu'adh used to pray with the Messenger of God ﷺ, then return and lead his people in prayer. He said: One time when he led them in 'Isha' prayer, he recited Surah al-Baqarah. A man went off and left. Mu'adh found fault with him about that. That reached the Prophet ﷺ, and he said: "A trial, a trial, [a trial]" or he said: "A tempter, a tempter, a tempter." He commanded him to recite two surahs from the middle of the mufassal. 'Amr said: I do not remember them.

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