Narrated Anas bin Malik: Milk mixed with water was brought to Allah's Apostle while a bedouin was on his right and Abu Bakr was on his left. He drank (of it) and then gave (it) to the bedouin and said, 'The right" "The right (first).

Narrated Az-Zuhri: Anas bin Malik said, that once a domestic sheep was milked for Allah's Apostle while he was in the house of Anas bin Malik. The milk was mixed with water drawn from the well in Anas's house. A tumbler of it was presented to Allah's Apostle who drank from it. Then Abu Bakr was sitting on his left side and a bedouin on his right side. When the Prophet removed the tumbler from his mouth, `Umar was afraid that the Prophet might give it to the bedouin, so he said. "O Allah's Apostle! Give it to Abu Bakr who is sitting by your side." But the Prophet gave it to the bedouin, who was to his right and said, "You should start with the one on your right side."

Narrated Anas: Once Allah's Apostle visited us in this house of ours and asked for something to drink. We milked one of our sheep and mixed it with water from this well of ours and gave it to him. Abu Bakr was sitting on his left side and `Umar in front of him and a bedouin on his right side. When Allah's Apostle finished, `Umar said to Allah's Apostle "Here is Abu Bakr." But Allah's Apostle gave the remaining milk to the bedouin and said twice, "The (persons on the) right side! So, start from the right side." Anas added, "It is a Sunna (the Prophet's traditions)" and repeated it thrice.

Narrated Anas bin Malik: I saw Allah's Apostle drinking milk. He came to my house and I milked a sheep and then mixed the milk with water from the well for Allah's Apostle. He took the bowl and drank while on his left there was sitting Abu Bakr, and on his right there was a bedouin. He then gave the remaining milk to the bedouin and said, "The right! The right (first).