‏البيوع : Hadeeth No:3645 Ibn Umar (Allaah be pleased with them) reported: We used to buy foodgrains during the lifetime of Allaah's Messenger (sallAllaahu alayhi wa sallam). He (the Prophet) would then send to us one who commanded us to take them (the foodgrains) to a place other than the one where we had bought them before...

‏الزكاة : Hadeeth No:2253 Abdullah b. Umar reported that as Allaah's Messenger (sallAllaahu alayhi wa sallam) was sitting on the pulpit and talking about Sadaqa and abstention from begging, he said: The upper hand is better than the lower one, the upper being the one which bestows and the lower one which begs....