‏الصلاة : Hadeeth No:2102 It is narrated on the authority of Muhammad b. Munkadir that he said: I heard from Mas'ud b. al-Hakam who narrated it on the authority of Hadrat 'Ali that he said: We saw the Prophet (sallAllaahu alayhi wa sallam) stood up for a (bier) and we also stood up; he sat down and we too sat down....

‏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....