that a group of Jews entered upon the Prophet (ﷺ) and they said: "As-Samu 'Alaik (death be upon you)." So the Prophet (ﷺ) said: "Wa 'Alaik (And upon you)." So 'Aishah said: "I said: ' upon you be death and the curse.'" So the Prophet (ﷺ) said: "O 'Aishah! Indeed Allah loves gentleness in every matter." 'Aishah said: "Did you not hear what they said?" He said: "And I replied: 'And upon you.'"
Jami` at-Tirmidhi Book 42, Hadith 14