Sahih al-Bukhari 2548
Sahih al-Bukhari · Book 49: Manumission of Slaves · A slave who worships his Lord and he is also honest and faithful to his master
Narrated Abu Huraira:
حَدَّثَنَا بِشْرُ بْنُ مُحَمَّدٍ ، أَخْبَرَنَا عَبْدُ اللَّهِ ، أَخْبَرَنَا يُونُسُ ، عَنِ الزُّهْرِيِّ ، سَمِعْتُ سَعِيدَ بْنَ الْمُسَيَّبِ ، يَقُولُ قَالَ أَبُو هُرَيْرَةَ ـ رضى الله عنه ـ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لِلْعَبْدِ الْمَمْلُوكِ الصَّالِحِ أَجْرَانِ، وَالَّذِي نَفْسِي بِيَدِهِ لَوْلاَ الْجِهَادُ فِي سَبِيلِ اللَّهِ وَالْحَجُّ وَبِرُّ أُمِّي، لأَحْبَبْتُ أَنْ أَمُوتَ وَأَنَا مَمْلُوكٌ " .
Allah's Messenger (ﷺ) said, "A pious slave gets a double reward." Abu Huraira added: By Him in Whose Hands my soul is but for Jihad (i.e. holy battles), Hajj, and my duty to serve my mother, I would have loved to die as a slave.