‏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:782 Abu Huraira reported: A person entered the mosque and said prayer while the Messenger of Allaah (sallAllaahu alayhi wa sallam) was sitting in a nook (of the mosque), and the rest of the hadith is the same as mentioned above, but with this addition:" When you get up to pray, perform the ablution comp...