‏الوصية : Hadeeth No:4005 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When a man dies, his acts come to an end, but three, recurring charity, or knowledge (by which people) benefit, or a pious son, who prays for him (for the deceased)....

‏الصلاة : Hadeeth No:1486 Wahb al-Khuza'i reported: I prayed behind the Messenger of Allaah (way sallAllaahu alayhi wa sallam) at Mina, and there was the greatest number of people, and they prayed two rak'ahs on the occasion of the Farwell Pilgrmage. (Muslim said: Haritha b. Wahb al-Khuza'i is the brother of 'Ubaidullah b. '...