Narrated Anas bin Malik: People used to give some of their datepalms to the Prophet (as a gift), till he conquered Bani Quraiza and Bani An-Nadir, whereupon he started returning their favors.
Hadith Referenceصحيح البخاري / كتاب فرض الخمس / 3128
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة