Al-Kāfi - The Book of Prayer

Chapter: Mistake in Opening of Salah (Prayer) 2ـ الْحُسَيْنُ بْنُ ٠َّدٍ الأشْعَرِيُّ عَنْ عَبْدِ الله بْنِ عَا٠ِرٍ عَنْ عَلِيِّ بْنِ ٠َهْزِيَارَ عَنْ فَضَالَةَ عَنْ أَبَانٍ عَنِ الْفَضْلِ بْنِ عَبْدِ الْ٠َلِكِ أَوِ ابْنِ أَبِي يَعْفُورٍ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلا٠) أَنَّهُ قَالَ فِي الرَّجُلِ يُصَلِّي فَلَ٠ْ يَفْتَتِحْ بِالتَّكْبِيرِ هَلْ تُجْزِئُهُ تَكْبِيرَةُ الرُّكُوعِ قَالَ لاَ بَلْ يُعِيدُ صَلاَتَهُ إِذَا حَفِظَ أَنَّهُ لَ٠2.

Al-Husayn ibn Muhammad al-Ash’ariy has narrated from ‘Abd Allah ibn ‘Amir from Ali ibn Mahziyar from Fadalah from Aban from al-Fadl ibn ‘Abd al-Malik or ibn abu Ya‘fur who has said the following: “About a man who performs Salah (prayer) but forgets to say the opening Takbir (Allah is great beyond description) if Takbir (Allah is great beyond description) for Ruku‘ (bowing down on one’s knees) is sufficient. Abu ‘Abd Allah (a.s.), has said, ‘It is not sufficient.

He performs Salah (prayer) again when he finds out that he has not said the Takbir (Allah is great beyond description).”’ وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (15/184))