‏الصلاة : Hadeeth No:1915 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When any one of you observes the Jumu'a prayer (two obligatory rak'ahs in congregation), he should observe four (rak'ahs) afterwards....

‏السلام : Hadeeth No:5547 Nafi' reported that Ibn 'Urnar used to kill all types of snakes until Abu Lubaba b. 'Abd al-Mundhir Badri reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) had forbidden the killing of the snakes of the houses, and so he abstained from it....