Oneness, Uniqueness of Allah (Tawheed)
97/13. Chapter:
Asking Allah with His Names and seeking refuge with them
Sahih Bukhari
حَدَّثَنَا حَفْصُ بْنُ عُمَرَ، حَدَّثَنَا هِشَامٌ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ ضَحَّى النَّبِيُّ صلى الله عليه وسلم بِكَبْشَيْنِ، يُسَمِّي وَيُكَبِّرُ.
Narrated Anas: The Prophet (ﷺ) slaughtered two rams as sacrifice and mentioned Allah's Name and said, "Allahu-Akbar" while slaughtering).
Reference : Sahih al-Bukhari 7399In-book reference : Book 97, Hadith 28USC-MSA web (English) reference : Vol. 9, Book 93, Hadith 496