‏فضائل الصحابة‏ : Hadeeth No:5947 Anas reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: For every Umma there is a man of trust and the man of trust of this Umma is Abu 'Ubaida b. Jarrah....

‏البيوع : Hadeeth No:3850 Malik b. Aus b. al-Hadathan reported: I came saying who was prepared toexchange dirhams (for my gold), whereupon Talha b. Ubaidullah (Allaah be pleased with him) (as he was sitting with 'Umar b. Khattib) said: Show us your gold and then come to us (at a later time). When our servant would come we wo...