Sahih Bukhari

Narrated `Aisha:A group of Jews asked permission to visit the Prophet (and when they were admitted) they said, ""As- Samu 'Alaika (Death be upon you)."" I said (to them), ""But death and the curse of Allah be upon you!"" The Prophet (ﷺ) said, ""O `Aisha! Allah is kind and lenient and likes that one should be kind and lenient in all matters."" I said, ""Haven't you heard what they said?"" He said, ""I said (to them), 'Wa 'Alaikum (and upon you)