Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
حَدَّثَنَا آدَمُ، حَدَّثَنَا وَرْقَاءُ، عَنِ ابْنِ أَبِي نَجِيحٍ، عَنْ مُجَاهِدٍ، قَالَ ابْنُ عَبَّاسٍ أَمَرَهُ أَنْ يُسَبِّحَ، فِي أَدْبَارِ الصَّلَوَاتِ كُلِّهَا. يَعْنِي قَوْلَهُ {وَأَدْبَارَ السُّجُودِ}Narrated Mujahid:Ibn `Abbas said, "Allah ordered His Prophet to celebrate Allah's praises after all prayers." He refers to His Statement: 'After the prayers
From Sahih al-Bukhari, whose reports the scholars accept as authentic.