كتاب السلم : Hadeeth No:2106 : Ibn Abi Najih: as above, saying, "He should pay the price in advance for a specified measure and for a specified period."...

كتاب الأذان : Hadeeth No:643 : Nafi': Ibn 'Umar said, "Allah's Apostle said, 'If the supper is served for anyone of you and the Iqama is pronounced, start with the supper and don't be in haste (and carry on eating) till you finish it." If food was served for Ibn 'Umar and Iqama was pronounced, he never came to the prayer till he finishe...