Explanation of the Book of the Adhan-07a

The reader: Mas'ud narrated to us, saying: Yahya ibn Sa'id narrated to us from Sufyan, saying: Abu Ishaq narrated to me, saying: Abdullah ibn Yazid narrated to me, saying: al-Bara' narrated to me, and he is not a liar, saying: Abu Nu'aym narrated to us from Sufyan from Abu Ishaq to the same effect with this wording.

The Shaykh : In the name of Allah, the Most Gracious, the Most Merciful. In this heading, al-Bukhari (may Allah have mercy on him) asked when the one who prays behind the imam should prostrate. He presented it in the form of a question to draw attention to this point, because the interval between the two pillars of standing and prostration is long, so the ma'mum might hasten and prostrate before the imam reaches prostration. Then he cited the hadith of Anas: The meaning of "when he prostrates" is when he reaches prostration; it does not mean when he begins to lower himself, nor does it mean when he finishes prostrating. The meaning is when he reaches prostration, so prostrate. Then he cited the hadith of al-Bara' ibn 'Azib (may Allah be pleased with him), saying: Regarding "na'qu" (we prostrate) here, is the accusative case permissible or not? It is not permissible because it would be contradictory: "none of us would bend his back until he would prostrate, then we would prostrate" means "then none of us would bend his back until we prostrate after him," and this does not make sense.