‏الإيمان : Hadeeth No:147 It is narrated on the authority of Abu Zubair that he heard Jabir b. 'Abdullah saying. I heard the Messenger of Allaah (may peace and blessings be upon him) observing this: Between man and polytheism and unbelief is the abandonment of salat....

‏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....