Arabic (Original)
حَدَّثَنَا الْخُزَاعِيُّ قَالَ حَدَّثَنَا سُلَيْمَانُ بْنُ بِلَالٍ عَنْ كَثِيرِ بْنِ زَيْدٍ عَنِ الْوَلِيدِ بْنِ رَبَاحٍ عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا دَخَلَ الْبَصَرُ فَلَا إِذْنَ.
English Translation
The Messenger of Allah (peace be upon him) said: 'When the gaze has entered (i.e., when someone has already seen inside), then there is no need for permission.'