Allah's Messenger (ﷺ) said, "The younger person should greet the older one, and the walking person should greet the sitting one, and the small number of persons should greet the large number of persons."
Sahih al-Bukhari Book 79, Hadith 8
← Previous Hadith Allah's Messenger (ﷺ) said, "The riding person should greet the walking one, and the walking one should greet the sitting one, and the small number of persons should greet the large number of persons."

Sahih al-Bukhari Book 79, Hadith 7 Next Hadith → Allah's Messenger (ﷺ) ordered us to do seven (things): to visit the sick, to follow the funeral processions, to say Tashmit to a sneezer, to help the weak, to help the oppressed ones, to propagate As-Salam (greeting), and to help others to fulfill their oaths (if it is not sinful). He forbade us to drink from silver utensils, to wear gold rings, to ride on silken saddles, to wear silk clothes, Dibaj (thick silk cloth), Qassiy and Istabraq (two kinds of silk). (See Hadith No. 539, Vol. 7)

Sahih al-Bukhari Book 79, Hadith 9