‏الأضاحي : Hadeeth No:4867 Ibn Buraida, on the authority of his father, reported Allaah's Messenger (sallAllaahu alayhi wa sallam) having said this: I used to forbid you. The rest of the hadith is the same....

‏البيوع : Hadeeth No:3878 Ibn 'Abbas; (Allaah be pleased with them) reported on the authority of Usama b. Zaid Allaah's Messenger (sallAllaahu alayhi wa sallam) as having said this: There is no element of interest when the money or commodity is exchanged hand to hand....