Abu Dawud
Prayer
Book Number: 002 / Hadith Number: 1386
Narated By Khaithamah : 'Abd Allah b. 'Amr said: The Apostle of Allah (pbuh) said to me: Recite the Qur'an in one month. I said: I have (more) energy. He said: Recite it in three days.
Abu 'Ali said: I heard Abu Dawud say: I heard Ahmad b. Hanbal say: The narrator 'Isa b. Shadhan is a sane person.