حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ وَعَبْدُ الرَّحْمَنِ عَنْ سُفْيَانَ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ عَنِ ابْنِ عُمَرَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِنَّ الْيَهُودَ إِذَا لَقُوكُمْ قَالُوا السَّامُ عَلَيْكُمْ فَقُولُوا وَعَلَيْكُمْ
مسند امام احمد بن حنبل · Hadith 5221
It was narrated that Ibn Umar sad: The Messenger of Allah (PBUH) said: "When the Jews meet you, they say: 'as-saam alaykum (death be upon you).’ So say: 'wa 'alaykum (and also upon you).”
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020