Surah Al-Kahf Ayah #6 Translated in English
فَلَعَلَّكَ بَاخِعٌ نَفْسَكَ عَلَىٰ آثَارِهِمْ إِنْ لَمْ يُؤْمِنُوا بِهَٰذَا الْحَدِيثِ أَسَفًا
Then perhaps you would kill yourself through grief over them, [O Muḥammad], if they do not believe in this message, [and] out of sorrow.