‏فضائل الصحابة‏ : Hadeeth No:6160 'Abdullah b. Umar reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) led us 'Isha' prayer at the latter part of the night and when he had concluded it by salutations he stood up and said: Have you seen this night of yours? At the end of one hundred years after this none would survive on...

‏الأيمان : Hadeeth No:4054 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who took an oath and (later on) found another thing better than that, he should do that which is better, and expiate for the vow (broken by him)....