AHMAD 13337:
from Anas b. Mālik —
[Machine] I prayed behind the Messenger of Allah ﷺ , Abu Bakr, Umar, and Uthman, and they would begin by reciting "Alhamdulillahi Rabbil 'Alamin" (Praise be to Allah, the Lord of all the worlds) [Surah Al-Fatiha: 2], without mentioning "Bismillahir Rahmanir Raheem" (In the name of Allah, the Most Gracious, the Most Merciful) [Surah Al-Fatiha: 1] in the beginning or at the end of the recitation.
أحمد ١٣٣٣٧:
عن انس بن مالك —
صَلَّيْتُ خَلْفَ رَسُولِ اللهِ ﷺ وَأَبِي بَكْرٍ وَعُمَرَ وَعُثْمَانَ فَكَانُوا يَسْتَفْتِحُونَ بِ {الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ} [الفاتحة 2] لَا يَذْكُرُونَ {بِسْمِ اللهِ الرَّحْمَنِ الرَّحِيمِ} [الفاتحة 1] فِي أَوَّلِ الْقِرَاءَةِ وَلَا فِي آخِرِهَا
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