‏البيوع : Hadeeth No:3796 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Delay (in the payment of debt) on the part of a rich man is injustice, and when one of you is retired to a rich man, he should follow him....

‏الإيمان : Hadeeth No:25 It is reported on the authority of Qatada that one among the delegates of the 'Abdul-Qais tribe narrated this tradition to him. Sa'id said that Qatada had mentioned the name of Abu Nadra on the authority of Abu Sa'id Khudri who narrated this tradition: That people from the- tribe of 'Abdul-Qais came...