Sayyiduna Abu Huraira (may Allah be pleased with him) narrated from the Messenger of Allah (peace and blessings be upon him), he (peace be upon him) said: "When a slave obeys his Lord and his master, he will have two rewards."
Hadith Referenceمسند اسحاق بن راهويه / كتاب الزهد / 915
Hadith Takhrij«مسند احمد : 344 ، 406 ، 263/2 . و ابويعليٰ ، رقم : 6427 ، اسناده صحيح .»