Narrated Salama: We gave the oath of allegiance to the Prophet under the tree. He said to me, "O Salama! Will you not give the oath of allegiance?" I replied, "O Allah's Apostle! I have already given the oath of allegiance for the first time." He said, (Give it again) for the second time.
Hadith Referenceصحيح البخاري / كتاب الأحكام / 7208
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated Salama bin Al-Akwa`: Allah's Apostle said to a man from the tribe of Al-Aslam, "Proclaim among your people (or the people) on the day of 'Ashura' (tenth of Muharram), 'Whosoever has eaten anything should fast for the rest of the day; and whoever has not eaten anything, should complete his fast.' "
Hadith Referenceصحيح البخاري / كتاب أخبار الآحاد / 7265
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة