Hadith 8

Bulugh al-Maram

Book 16: The Comprehensive Book
وَفِي رِوَايَةٍ لِمُسْلِمٍ: { وَالرَّاكِبُ عَلَى اَلْمَاشِي } 1‏ .‏
In a version by Muslim, “And the one who is riding should salute the one who is walking.”