The Book of al-Bay'ah
39/5. Chapter:
Pledging Obedience Even When Other Are Preferred Over Us
Sunan an-Nasai
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا يَعْقُوبُ، عَنْ أَبِي حَازِمٍ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " عَلَيْكَ بِالطَّاعَةِ فِي مَنْشَطِكَ وَمَكْرَهِكَ وَعُسْرِكَ وَيُسْرِكَ وَأَثَرَةٍ عَلَيْكَ " .
It was narrated from Abu Hurairah that the Messenger of Allah said: "You have to obey when you feel energetic and when you feel tired, during your ease and your hardship, and when others are preferred over you."
Reference : Sunan an-Nasa'i 4155In-book reference : Book 39, Hadith 7English translation : Vol. 5, Book 39, Hadith 4160