(11) باب ثَوَابِ الْعَبْدِ وَأَجْرِهِ إِذَا نَصَحَ لِسَيِّدِهِ وَأَحْسَنَ عِبَادَةَ اللَّهِ
This hadith has been transmitted on the authority of Abu Tahir but with a slight variation of words.
Reference: Sahih Muslim 1665 b
In-book reference: Book 27, Hadith 69
USC-MSA web (English) reference(deprecated numbering scheme): Book 15, Hadith 4099