'Ali reported that Allah's Messenger (ﷺ) sent me and Abu Marthad al-Ghitnavi and Zubair bin 'Awwam and we were all riders, and he said: Ride on until you reach the garden of Khakh for there is a woman amongst the polytheists and there is a letter with her sent by Hatib to the polytheists; the rest of the hadith is the same.
Hadith Referenceصحيح مسلم / كتاب فضائل الصحابة / 2494
Abu Hurairah (RA) reported that Allah's Messenger (ﷺ) used to command us that as we go to our beds, we should utter the words (as mentioned above) and he also said (these words): "From the evil of every animal, Thou hast hold upon its forelock (Thou hast full control over it)."
Hadith Referenceصحيح مسلم / كتاب الذكر والدعاء والتوبة والاستغفار / 2713