(453) بَابُ يُسَلِّمُ الْمَاشِي عَلَى الْقَاعِدِ
Jabir said, "When two people walking meet, then the one who givesthe greeting first is the better of them."
Reference: Al-Adab Al-Mufrad 994
In-book reference: Book 42, Hadith 30
English translation: Book 42, Hadith 994