Jabir reported God’s Messenger as saying, “When one of you is invited to a meal he must accept. If he wishes he may eat, but if he wishes he may leave the food alone.”
‘Abdallah b. ‘Umar reported God’s Messenger as saying, “When one of you is invited to a wedding-feast he must attend it.” In a version by Muslim he said, “He must accept, whether it is a wedding-feast or something of that nature.”
Abu Huraira reported God’s Messenger as saying, “The worst kind of food is that at a wedding-feast to which the rich are invited and from which the poor are left out. If anyone rejects an invitation he has disobeyed God and His Messenger.”