Volume 9, Book 84, Number 61:
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 said, “O ‘Aisha! Allah is kind and lenient and likes that one should be kind and le –
nient in all matters.” I said, “Haven’t you heard what they said?” He said, “I said (to them), ‘Wa
‘Alaikum (and upon you).