مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 3124
Marriage
Looking at a Woman who is asked in Marriage, and an Explanation of what may not be seen - Section 3
وَعَنْ أَبِي أُمَامَةَ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «مَا مِنْ مُسْلِمٍ يَنْظُرُ إِلَى مَحَاسِنِ امْرَأَةٍ أَوَّلَ مَرَّةٍ ثُمَّ يَغُضُّ بَصَرَهُ إِلَّا أَحْدَثَ اللَّهُ لَهُ عِبَادَةً يَجِدُ حلاوتها» . رَوَاهُ أَحْمد
Abu Umama reported the Prophet (ﷺ) as saying, “If any Muslim happens to look at a woman’s beauties and then lowers his eyes, God will produce for him an act of worship whose sweetness he will experience.” Ahmad transmitted it.
Mishkat al-Masabih, 3124ضَعِيف (الألباني)