The Book Concerning the Use of Correct Words (Kitab Al-Alfaz min Al-Adab wa Ghairiha)

Muslim :: Book 27 : Hadith 5592

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: None of you should say: My bondman, for all of you are the bondmen of Allah, but say: My young man, and the servant should not say: My Lord, but should say: My chief.