‏الجهاد والسير‏ : Hadeeth No:4445 It has been narrated on the authority of Anas b. Malik that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: O God, there is no life, but the life of the Hereafter, So forgive Thou the Ansar and the Muhajirs....

‏النذر : Hadeeth No:4021 Ibn Umar reported that Allaah's Prophet (sallAllaahu alayhi wa sallam) forbade (people) taking vows, and said: It does not (necessarily) bring good (in the form of substantial, and tangible results), but it is the meant whereby something is extracted from the miserly persons....