The Messenger of Allah ﷺ said to me: “Do not follow one glance with another; you may be allowed the first but not the second.ʿ (Using translation from Aḥmad 1369)
قَالَ رَسُولُ اللَّهِ ﷺ «لَا تُتْبِعِ النَّظْرَةَ النَّظْرَةَ فَإِنَّ الْأُولَى لَكَ وَالْآخِرَةَ عَلَيْكَ»