Reference: as-Siyar – Volume 16, Page 54
al-Imaam al-Haakim (rahima-hullaah) said about his Shaykh, al-Haafidth Abee ‘Alee an-Neesaabooree (rahima-hullaah):
I do not say this as a dedicated fanatic since he was my teacher, but I simply never saw anything comparable to him.
