Whoever did not admonish people in their faces Sahih al-Bukhari 6102
Arabic hadith text
حَدَّثَنَا عَبْدَانُ، أَخْبَرَنَا عَبْدُ اللَّهِ، أَخْبَرَنَا شُعْبَةُ، عَنْ قَتَادَةَ، سَمِعْتُ عَبْدَ اللَّهِ ـ هُوَ ابْنُ أَبِي عُتْبَةَ مَوْلَى أَنَسٍ ـ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلمأَشَدَّ حَيَاءً مِنَ الْعَذْرَاءِ فِي خِدْرِهَا، فَإِذَا رَأَى شَيْئًا يَكْرَهُهُ عَرَفْنَاهُ فِي وَجْهِهِ.
Translation
Narrated Abu Sa`id Al-Khudri
The Prophet (ﷺ) was more shy than a virgin in her separate room. And if he saw a thing which he disliked, we would recognize that (feeling) in his face.