The Book of Zakat (Kitab Al-Zakat)
Muslim :: Book 5 : Hadith 2302
This hadith has been narrated on the authority of Muhammad b. Sa'd through another chain of transmitters (and the words are):" The Messenger of Allah (may peace be upon him) struck between my neck and shoulder with his hand and said: Do you wrangle,0 Sa'd, because I bestow (some gifts) upon a person?"