The Messenger of Allah ﷺ said, "Peace is one of the names of Allah Most High, which He has placed on earth, so spread peace among yourselves."
قال رسول الله ﷺ: إن السلام اسم من أسماء الله تعالى، وضعه الله في الأرض، فأفشوا السلام بينكم.
No references are available.
Bukhari related it in Adab al-Mufrad (989) from Shihab, he said, Hammad bin Salama narrated to us, from Humayd, from Anas, who said, then he related it.Its chain is hasan because of Bukhari's teacher Shihab, who is Ibn Mumammar Abu Azhar Balkhi. Ibn Hibban mentioned him in Thiqat (13633) and said, "He was alert, with good memory for his hadith." Ibn Hajar also graded it hasan in Fath al-Bari (13/11).