Muwatta Malik· موطأ مالك
Muwatta Malik 223
I forget or I am made to forget so that I may establish the sunna
মুয়াত্তা ইমাম মালিক ২২৩ · মুয়াত্তা মালিক•Forgetfulness in Prayer
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِنِّي لأَنْسَى أَوْ أُنَسَّى لأَسُنَّ " .
Narrator: Yahya
Yahya related to me from Malik that he had heard that the Messenger of Allah, may Allah bless him and grant him peace, said, "I forget or I am made to forget so that I may establish the sunna- Salim al-HilaliDaif