(461) بَابُ مَنْ خَرَجَ يُسَلِّمُ وَيُسَلَّمُ عَلَيْهِ
At-Tufayl ibn Ubayy ibn Ka'b related that he used to visit 'Abdullahibn 'Umar and would go with him to the market. He said, "When we went tothe market, 'Abdullah ibn 'Umar did not pass by any rubbish collector normerchant nor poor person nor anyone else without greeting them."
Reference: Al-Adab Al-Mufrad 1006
In-book reference: Book 42, Hadith 43
English translation: Book 42, Hadith 1006