‏الزكاة : Hadeeth No:2357 Abu Huraira reported: Whenever the Prophet of Allaah (sallAllaahu alayhi wa sallam) was presented with food, he asked about it, If he was told that it was a gift, he ate out of that, and if he was told that it was a sadaqa he did not eat out of that....

‏الصلاة : Hadeeth No:1613 'A'isha observed that the Messenger of Allaah (sallAllaahu alayhi wa sallam) used to observe prayer in the night and the last of his (night) prayer was Witr....