‏البيوع : Hadeeth No:3716 Jabir b. Abdullah (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who has land should cultivate it himself, but if he does not cultivate it himself, then he should let his brother cultivate it....

‏الذكر والدعاء والتوبة والاستغفار‏ : Hadeeth No:6591 This hadith has been narrated on the authority of Safwan b. 'Abdullah b. Safwan with the same chain of transmitters....