Man Lā Yaḥḍuruh al-Faqīh
Hadith 9596 - وَ رَوَتْ عَائِشَةُ عَنِ اَلنَّبِيِّ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ أَنَّهُ قَالَ: «أَشَدُّ اَلنَّاسِ حَسْرَةً يَوْمَ اَلْقِيَامَةِ مَنْ رَأَى وُضُوءَهُ عَلَى جِلْدِ غَيْرِهِ.
Hadith.96 - Aisha narrated from the Prophet (sw), that He said:
"The people with the most regret on the Day of Resurrection will be those who sees his wudu (ablution) on the skin of someone else”.