Abdullah bin Umar reported,

The Messenger of Allah ﷺ said, "When a slave is sincere to his master and worships his Lord well, he receives his reward twice."

Bukhari 2546

Sahih

حدثنا عبد الله بن مسلمة عن مالك عن نافع

عن ابن عمر رضي الله عنهما

أن رسول الله ﷺ قال العبد إذا نصح سيده وأحسن عبادة ربه كان له أجره مرتين

البخاري 2546صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Emancipation of slaves
Chapter
A slave who perfects his worship of his Lord and is sincere to his master
Numbering
Darussalam 2546
Bukhari 2546