Reference: Siyar A’laam an-Nubalaa v5 p276, al-Hifth – Ahammiyyatuhu, ‘Ajaa.ibuhu, Tareeqatuhu, Asbaabuhu p15
narrated:
From amongst the people of al-Basrah, Qataadah was the best at memorising; whatever he heard, he would memorise. The book ‘Saheefatu-Jaabir’ was read to him [only] once and he memorised it [all].
