Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:16246Abū Ḥuṣayn al-Qāḍī > Yaḥyá al-Ḥimmānī > Ibn al-Mubārak > Yūnus > al-Zuhrī > ʿAbd al-Raḥman b. Kaʿb b. Mālik from his father

[Machine] "When the Prophet ﷺ was happy, his face would light up like a piece of the moon."  

الطبراني:١٦٢٤٦حَدَّثَنَا أَبُو حُصَيْنٍ الْقَاضِي ثنا يَحْيَى الْحِمَّانِيُّ ثنا ابْنُ الْمُبَارَكِ عَنْ يُونُسَ عَنِ الزُّهْرِيِّ أَخْبَرَنِي عَبْدُ الرَّحْمَنِ بْنُ كَعْبِ بْنِ مَالِكٍ عَنْ أَبِيهِ

«أَنَّ النَّبِيَّ ﷺ كَانَ» إِذَا سُرَّ اسْتَنَارَ وَجْهُهُ كَأَنَّهُ قِطْعَةُ قَمَرٍ