Sahih Muslim 5876
صحيح مسلم#5876SahihThis hadith has been reported on the authority of al-A'mash with the same chain of transmitters, and the words are that the servant should not say to his chief:My Lord, and Abu Mu'awiya made an addition:" For it is Allah, the Exalted and Glorious, Who is your Lord
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 40:15