Sahih al-Bukhari
Sahih al-Bukhari 6818
The stone is for illegal sexual intercourse
Arabic hadith text
حَدَّثَنَا آدَمُ، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا مُحَمَّدُ بْنُ زِيَادٍ، قَالَ سَمِعْتُ أَبَا هُرَيْرَةَ، قَالَ النَّبِيُّ صلى الله عليه وسلم "الْوَلَدُ لِلْفِرَاشِ، وَلِلْعَاهِرِ الْحَجَرُ "
Translation
Narrated Abu Huraira
The Prophet (ﷺ) said, "The boy is for (the owner of) the bed and the stone is for the person who commits illegal sexual intercourse.'