Sura al-Kahf 18:6

فَلَعَلَّكَ بَٰخِعٌ نَّفْسَكَ عَلَىٰٓ ءَاثَٰرِهِمْ إِن لَّمْ يُؤْمِنُوا۟ بِهَٰذَا ٱلْحَدِيثِ أَسَفًا

fa-laʿallaka bākhiʿun nnafsaka ʿala āthārihim in lam yuʾminū bi-hādhā l-ḥadīthi asafan

Thou wouldst only, perchance, fret thyself to death, following after them, in grief, if they believe not in this Message.