Wedlock, Marriage (Nikaah)
Ṣaḥīḥ al-Bukhārī 5221
يَا أُمَّةَ مُحَمَّدٍ مَا أَحَدٌ أَغْيَرَ مِنَ اللَّهِ أَنْ يَرَى عَبْدَهُ أَوْ أَمَتَهُ تَزْنِي يَا أُمَّةَ مُحَمَّدٍ لَوْ تَعْلَمُونَ مَا أَعْلَمُ لَضَحِكْتُمْ قَلِيلاً وَلَبَكَيْتُمْ كَثِيرًا
yā ummaha muḥammadin mā aḥadun aghyara mina-Llāh an yarā ʿabdah aw amatah taznī yā ummaha muḥammadin law taʿlamūna mā aʿlamu laḍaḥiktum qalīlan walabakaytum kathīran
Transliteration generated from the Arabic vowel marks
The full narration
Narrated `Aisha:Allah's Messenger (ﷺ) said, "O followers of Muhammad! There is none, who has a greater sense of Ghira (self-respect) than Allah, so He has forbidden that His slave commits illegal sexual intercourse or His slave girl commits illegal sexual intercourse. O followers of Muhammad! If you but knew what I know, you would laugh less and weep more
Source
Ṣaḥīḥ al-Bukhārī · 5221