Someone who says, "May Allah have mercy on you if you praised Allah."

Al-Adab Al-Mufrad · Book 40 · Hadith 936

حَدَّثَنَا عَارِمٌ، قَالَ‏:‏ حَدَّثَنَا عُمَارَةُ بْنُ زَاذَانَ قَالَ‏:‏ حَدَّثَنِي مَكْحُولٌ الأَزْدِيُّ قَالَ‏:‏ كُنْتُ إِلَى جَنْبِ ابْنِ عُمَرَ، فَعَطَسَ رَجُلٌ مِنْ نَاحِيَةِ الْمَسْجِدِ، فَقَالَ ابْنُ عُمَرَ‏:‏ يَرْحَمُكَ اللَّهُ إِنْ كُنْتَ حَمِدْتَ اللَّهَ‏.‏

Makhul al-Azdi said, "I was beside Ibn 'Umar when a man sneezed on one side of the mosque. Ibn 'Umar said, 'May Allah have mercy on you if you praised Allah.'"