37:170
As-Saffat 170
Surah As-Saffat (الصافات), verse 170 — reference 37:170. Arabic text with optional translation and free audio on Al-Qalam.
فَكَفَرُوا۟ بِهِۦ ۖ فَسَوْفَ يَعْلَمُونَ
fakafarū bihi fasawfa yaʿlamūna
But they disbelieved in it, so they are going to know.