Reference: Siyar A’laam an-Nubalaa – Volume 5, Page 276
al-Hifth – Ahammiyyatuhu, ‘Ajaa.ibuhu, Tareeqatuhu, Asbaabuhu – Page 15
Ahmad ibn Hanbal 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].
