Hisn al-Muslim · Book 1 · Hadith 163
بِسْـمِ اللهِ وَعَلـى سُـنَّةِ رَسـولِ الله
Bismillāh wa `alā sunnati Rasūlillāh. With the Name of Allah, and according to the Sunnah of the Messenger of Allah. Reference: Abu Dawud 3/314 with an authentic chain. Ahmad also recorded it with the wording: With th…