37:19
As-Saffat 19
Surah As-Saffat (الصافات), verse 19 — reference 37:19. Arabic text with optional translation and free audio on Al-Qalam.
فَإِنَّمَا هِىَ زَجْرَةٌ وَٰحِدَةٌ فَإِذَا هُمْ يَنظُرُونَ
fa-innamā hiya zajratun wāḥidatun fa-idhā hum yanẓurūna
It will be only one shout, and at once they will be observing.