‏البيوع : Hadeeth No:3622 Ibn Umar (Allaah be pleased with them) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade the outbidding (against another)....

‏الإمارة : Hadeeth No:4487 It has been reported on the authority of 'Abd al-Rahman b. Samura who said: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said to me: 'Abd al-Rahman, do not ask for a position of authority, for if you are granted this position as a result of your asking for it, you will be left alone (witho...