Sahih al-Bukhari 774
Book 10: Call to Prayers (Adhaan) · Narrated by Ibn `Abbas
Arabic
حَدَّثَنَا مُسَدَّدٌ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، قَالَ حَدَّثَنَا أَيُّوبُ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَرَأَ النَّبِيُّ صلى الله عليه وسلم فِيمَا أُمِرَ، وَسَكَتَ فِيمَا أُمِرَ {وَمَا كَانَ رَبُّكَ نَسِيًّا} {لَقَدْ كَانَ لَكُمْ فِي رَسُولِ اللَّهِ أُسْوَةٌ حَسَنَةٌ}.
English translation
Narrated Ibn `Abbas:The Prophet (ﷺ) recited aloud in the prayers in which he was ordered to do so and quietly in the prayers in which he was ordered to do so. "And your Lord is not forgetful." "Verily there was a good example for you in the ways of the Prophet
Reference: Sahih al-Bukhari 774, Book of Call to Prayers (Adhaan). English translation by Dr. Muhammad Muhsin Khan.