Sahih Muslim, Chapter: Purification (Kitab Al-Taharah)

I was (standing) behind Abu Huraira and he was performing the ablution for prayer. He extended the (washing) of his hand that it went up to his armpit. I said to him: O Abu Huraira, what is this ablution? He said: O of the tribe of Faruukh, you are here; if I knew that you were here, I would have never performed ablution like this; I have heard my Friend (may peace be upon him) say. In a believer adornment would reach the places where ablution reaches.