Sahih Bukhari

Narrated `Aisha:A group of Jews came to Allah's Messenger (ﷺ) and said, ""As-samu 'Alaika "" (Death be on you), and I understood it and said to them, ""Alaikum AsSamu wa-l-la'na (Death and curse be on you)."" Allah's Apostle said, ""Be calm! O `Aisha, for Allah loves that one should be kind and lenient in all matters."" I said. ""O Allah's Messenger (ﷺ)! Haven't you heard what they have said?"" Allah's Messenger (ﷺ) said, ""I have (already) said (to them), 'Alaikum (upon you)