Book 91: Accepting Information Given by a Truthful Person
Volume 9, Book 91, Number 352: Narrated Malik: We came to the Prophet and we were young men nearly of equal ages and we stayed with him for twenty nights. Allah's Apostle was a very kind man and when he realized our longing for our families, he asked us about those whom we had left behind. When we informed him, he said, "Go back to your families and stay with them and teach them (religion) and order them (to do good deeds). The Prophet mentioned things some of which I remembered and some I did not. Then he said, "Pray as you have seen me praying, and when it is the time of prayer, one of you should pronounce the call (Adhan) for the prayer and the eldest of you should lead the prayer. " Volume 9, Book 91, Number 353: Narrated Ibn Mas'ud: Allah's Apostle said, "The (call for prayer) Adhan of Bilal should not stop anyone of you from taking his Suhur for he pronounces the Adhan in order that whoever among you is praying the night prayer