Abu ‘Isa al-Tirmidhi also said: “Muhammad ibn Isma‘il was once with ‘Abd Allah ibn Munir. When he rose to depart, Ibn Munir said to him, ‘Abu ‘Abd Allah, may Allah make you the adornment of this ummah.’ Tirmidhi comments: His prayer for him was answered (1).
I say: Ibn Munir was one of the leading ascetics; he said (2) …
It was said that when al-Bukhari returned from Iraq on his last visit, the people came out to greet him, thronged about him, and showed him extreme reverence. When this was mentioned to him, he replied, “What would you have thought had you seen the day we entered Basra?” (3)
Abu ‘Ali Salih ibn Muhammad Jazara related: “Muhammad ibn Isma‘il used to sit and teach in Baghdad, and I would act as his prompter. More than twenty thousand people would gather in his circle.”
‘Abd al-Mu’min ibn Khalaf al-Nasafi said: “I asked Abu ‘Ali Salih ibn Muhammad about al-Darimi, Muhammad ibn Isma‘il, and Abu Zur‘a. He answered, ‘The most knowledgeable among them in hadith is Muhammad, while the one with the strongest memory is Abu Zur‘a.’”
Ishaq ibn Zabarq (4) recounted: “I heard Muhammad ibn Idris al-Razi say in the year 247 AH, ‘A man from Khurasan is about to arrive; no one has left Khurasan with a better memory than his, and none has come to Iraq more learned than he.’ Then al-Bukhari arrived among us (5).”