‘Amr b. Shu'aib, on his father’s authority, told that his grandfather reported God's Messenger as saying, "A single rider is a devil and a pair of riders are a pair of devils, but three are a company of riders.” Malik, Tirmidhi, Abu Dawud and Nasa’i transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الجهاد / 3910
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:إسناده حسن
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «إسناده حسن، رواه مالک (978/2 ح 1897) و الترمذي (1674 وقال: حسن صحيح) و أبو داود (2607) والنسائي [في الکبري (8849) ]»