Hadith on Salat: What the Imam and followers say in prayer

Abu Huraira reported: When the Prophet, peace and blessings be upon him, said, “Allah heard those who praise him,” he would say, “O Allah, our Lord, for you is praise.” When the Prophet bowed and raised his head, he would declare the greatness of Allah. When he stood from the two prostrations, he would say, “Allah is the greatest.

Source: Ṣaḥīḥ al-Bukhārī 762

Grade: Sahih (authentic) according to Al-Bukhari

عَنْ أَبِي هُرَيْرَةَ قَالَ كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا قَالَ سَمِعَ اللَّهُ لِمَنْ حَمِدَهُ قَالَ اللَّهُمَّ رَبَّنَا وَلَكَ الْحَمْدُ وَكَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا رَكَعَ وَإِذَا رَفَعَ رَأْسَهُ يُكَبِّرُ وَإِذَا قَامَ مِنْ السَّجْدَتَيْنِ قَالَ اللَّهُ أَكْبَرُ

762 صحيح البخاري أبواب صفة الصلاة باب ما يقول الإمام ومن خلفه إذا رفع رأسه من الركوع