from his mother, from her father, who said: "The Messenger of Allah ﷺ said: 'Reply three times to the sneezing person. If he (sneezes) more, then if you wish reply and if you do not then do not.'"
قَالَ رَسُولُ اللَّهِ ﷺ يُشَمَّتُ الْعَاطِسُ ثَلاَثًا فَإِنْ زَادَ فَإِنْ شِئْتَ فَشَمِّتْهُ وَإِنْ شِئْتَ فَلاَ