‏النذر : Hadeeth No:4023 Abu Heraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Do not take vows, for a vow has no effect against Fate; it is only from the miserly that something is extracted....

‏الجنة وصفة نعيمها وأهلها‏ : Hadeeth No:6866 Al-Bara' b. 'Azib reported that this verse:" Allaah keeps steadfast those who believe with firm word in th;s world and the Hereafter," was revealed in con- nection with the torment of the grave....