‏القدر : Hadeeth No:6430 Abu Huraira reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) was asked about the children of the polytheists, whereupon he said: It is Allaah Who knows best what they would be doing....

‏الصيام : Hadeeth No:2391 Kuraib reported that Umm Fadl, daughter of Harith, sent him (Fadl, i. e. her son) to Mu'awiya in Syria. I (Fadl) arrived in Syria, and did the needful for her. It was there in Syria that the month of Ramadan commenced. I saw the new moon (of Ramadan) on Friday. I then came back to Medina at the end ...