Al-Adab Al-Mufrad, Hadith 172 ⓘ
Abu Hurayra reported that the Prophet, may Allah bless him and grant him peace, said, "Do not say, 'May Allah make your face ugly.'"
حَدَّثَنَا حَجَّاجٌ، قَالَ: حَدَّثَنَا ابْنُ عُيَيْنَةَ، عَنِ ابْنِ عَجْلاَنَ، عَنْ سَعِيدٍ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ: لاَ تَقُولُوا: قَبَّحَ اللَّهُ وَجْهَهُ.
also referenced under: Book 9, Hadith 17 (In-Book) & Book 9, Hadith 172 (English)