37:170
فَكَفَرُوا بِهٖۚ فَسَوْفَ یَعْلَمُونَ
Fakafaroo bihi fasawfa yaAAlamoona
Translations
But they disbelieved in it, so they are going to know
Saheeh International
Yet (now that it is come) they disbelieve therein; but they will come to know
Marmaduke Pickthall