Iz dakhaloo 'alaihi faqaaloo salaaman qaala salaamun qawmum munkaroon
When they entered upon him and said, "[We greet you with] peace." He answered, "[And upon you] peace; [you are] a people unknown."
1 Mufti Taqi Usmani
When they (the angels in human form) entered unto him and said, “We greet you with Salām .” He said, “Salām on you.” (And he said to himself,) “(They are) unknown people.”