(6) باب مَنْ سَنَّ سُنَّةً حَسَنَةً أَوْ سَيِّئَةً وَمَنْ دَعَا إِلَى هُدًى أَوْ ضَلاَلَةٍ
Jarir b. 'Abdullah reported Allah's Messenger (ﷺ) as saying:
The servant does not introduce good practice which is followed after him.... The rest of the hadith is the same. (ID)
Reference (ID): Sahih Muslim 1017 g (ID)
In-book reference (ID): Book 47, Hadith 28 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 34, Hadith 6468 (ID)