مَنْ أَحْدَثَ فِي أَمْرِنَا هَذَا مَا لَيْسَ مِنْهُ فَهُوَ رَدٌّ
Transliteration
Man ahdatha fi amrina hadha ma laysa minhu fa-huwa radd.
Translation
Whoever introduces into this affair of ours something that is not from it, it is rejected.
Narrated by 'A'ishah·Sahih al-Bukhari 2697, Sahih Muslim 1718·Nawawi's Forty · #5
