Yahya related to me from Malik from Ibn Shihab from Anas ibnMalik that the Messenger of Allah, may Allah bless him and grant himpeace, was brought some milk which was mixed with well-water. Therewas a Bedouin at his right side and Abu Bakr as-Siddiq on his left. Hedrank and then gave it to the Bedouin and said, "The right-hand to theright-hand."
USC-MSA web (English) reference: Book 49, Hadith 17
Arabic reference: Book 49, Hadith 1690