‏البيوع : Hadeeth No:3900 Abu Huraira (Allaah be pleased with him) reported: There came a person demanding a camel from Allaah's Messenger (sallAllaahu alayhi wa sallam). He (the Prophet) said: Give him (the camel) of that age or of more mature age, and said: Best among you is one who is best in clearing off the debt....

‏الإيمان : Hadeeth No:131 Jarir b. Abdullah reported it from the Prophet: When the slave runs away from his master, his prayer is not accepted....