‏الأيمان : Hadeeth No:4040 Ibn 'Umar heard Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who has to take an oath, he must not take oath but by Allaah. The Quraish used to take oath by their fathers. So he (the Prophet) said: Do not take oath by your fathers....

‏الصيام : Hadeeth No:2376 Ibn 'Umar (may Allaah be pleased with both of them) reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: We are an unlettered people who can neither write nor count. The month is thus, and thus. folding his thumb when he said it the third time. This hadith has been narrated on the aut...