Surah Ash-Shu'ara — Ayah 3 (26:3)
لَعَلَّكَ بَٰخِعٞ نَّفۡسَكَ أَلَّا يَكُونُواْ مُؤۡمِنِينَ ٣
English translation (Saheeh International)
Perhaps, [O Muḥammad], you would kill yourself with grief that they will not be believers.
Brief commentary
Perhaps you O Messenger because of your eagerness for their guidance are killing yourself out of fear for them that they do not believe in Allah.