‏النكاح : Hadeeth No:3270 Abu Huraira (Allaah be pleased with him) reported: I heard Allaah's Messenger (sallAllaahu alayhi wa sallam) say: Father's sister should not be combined with her brother's daughter, nor the daughter of a sister with her mother's sister....

‏الصلاة : Hadeeth No:1124 Anas b. Malik reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said: Spitting in a mosque is a sin, and its expiation is that it should be buried....