Chapter: It is recommended to pass water and milk etc., to the right of the one who drinks first

(Give to one) who is on the right, then again who is on the right.

The Apostle of Allah (may peace he upon him) came to Medina when I was ten years old and he died when I was twenty years old. My mother exhorted me to serve him. He (the Holy Prophet) came to our house, and we ruined a flabby goat for him and mixed it (the milk) with water from the well of the house. Allah's Messenger (ﷺ) drank that. Umar and Abu Bakr on his left side said to him: Allah's Messenger, give it to Abu Bakr, but he (the Holy Prophet) gave it to the desert Arab who was on his right. Allah's Messenger (ﷺ) said: He who is on the right, then he who is on the right.

Allah's Messenger (ﷺ) came to our house and he asked for a drink. We milked a goat for him and then mixed it (the milk) with the water of this well of mine. I gave it to Allah's Messenger (ﷺ) and he drank it, while Abu Bakr was on his left and 'Umar was in front of him, and a desert Arab was on his right. When Allah's Messenger (ﷺ) had finished the drink, Umar said: Allah's Messenger, here is Abu Bakr, give him to drink; but Allah's Messenger (ﷺ) gave it to the desert Arab and he left out Abu Bakr and Umar. And Allah's Messenger (ﷺ) said: Those on the right, those on the right, those on the right (deserve preference). Anas said: This is the Sunnah, this is the Sunnah, this is the Sunnah.

Do you permit me to give it to them (the old men), but that boy said: by God. I will not give preference at your hand over me in my share. He (the narrator) said that Allah's Messenger (ﷺ) then gave it in his hand.

This hadith is reported on the authority of Sahl b. Sa'd with a slight variation of wording.