(520) بَابُ: كَيْفَ يَدْعُو لِلذِّمِّيِّ؟
Abu Musa said, "The Jews used to sneeze in the presence in theProphet, may Allah bless him and grant him peace, hoping that he wouldsay to them, 'May Allah have mercy on you,' but he used to say, 'May Allahguide you and out your affairs in order.'"
Reference: Al-Adab Al-Mufrad 1114
In-book reference: Book 44, Hadith 14
English translation: Book 44, Hadith 1114