Bayan Al-Hadith › Sahih Muslim › The Book of Oaths
Sahih Muslim 1664aصحيح مسلم 1664a
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِنَّ الْعَبْدَ إِذَا نَصَحَ لِسَيِّدِهِ وَأَحْسَنَ عِبَادَةَ اللَّهِ فَلَهُ أَجْرُهُ مَرَّتَيْنِ " .
Ibn Umar reported Allah's Messenger (ﷺ) as saying: When a slave looks to the welfare of his master and worships Allah well, he has two rewards for him.
Grading
Sahih (authentic by the consensus of hadith scholars)
Chain of narrators
يحيى بن يحيى بن بكر ← نافع ← عبد الله بن عمر
Yahya ibn Yahya ibn Bakr → Nafi' → Ibn `Umar