The Messenger of Allah ﷺ said: A single rider is a devil, and a pair of riders are a pair of devils, but three are a company of riders.  

قَالَ رَسُولُ اللَّهِ ﷺ الرَّاكِبُ شَيْطَانٌ وَالرَّاكِبَانِ شَيْطَانَانِ وَالثَّلاَثَةُ رَكْبٌ