Knowledge is more than what can be enumerated, so take the best from every thing.
He would teach the people and have them read the Qur.aan to him. And when they would finish, he would [turn to] occupy himself in prayer.
There is a masjid in which they have a hall for lessons; is it permissible for a menstruating woman to attend lessons in this hall, whilst seated on a chair?
And in the gatherings of Ahmad [ibn Hanbal], there would be about 5,000 or more, with about 500 [of them] writing, while the rest would be learning good manners [from him].