إِذۡ دَخَلُواْ عَلَيۡهِ فَقَالُواْ سَلَٰمٗاۖ قَالَ سَلَٰمٞ قَوۡمٞ مُّنكَرُونَ
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.”
Author: Mufti Taqi Usmani