51:25
إِذْ دَخَلُوا۟ عَلَيْهِ فَقَالُوا۟ سَلَـٰمًا ۖ قَالَ سَلَـٰمٌ قَوْمٌ مُّنكَرُونَ
idh dakhalū ʿalayhi faqālū salāman qāla salāmun qawmun munkarūna
When they entered upon him and said, "[We greet you with] peace." He answered, "[And upon you] peace; [you are] a people unknown."
— Saheeh International
They went in to see him and said, ‘Peace.’ ‘Peace,’ he said, [adding to himself] ‘These people are strangers.’
— M. A. S. Abdel Haleem
When they came in to him and said: "Salâm, (peace be upon you)!" He answered: "Salâm, (peace be upon you)," and said: "You are a people unknown to me."
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali