Reference: Hilyatul-Awliyaa wa-Tabaqaat al-Asfiyaa v3 p364, al-Jaami’ lil-Khateeb v2 p264, al-Hath ‘alaa Talabil-‘Ilm p55, al-Hifth – Ahammiyyatuhu, ‘Ajaa.ibuhu, Tareeqatuhu, Asbaabuhu p15
narrated:
I have never revised a hadeeth, and nor have I ever had any doubt in [the memorisation of] a hadeeth, except one hadeeth; and when I questioned my colleague about it, [I found] it was [exactly] as I had memorised [it].
