3وَلَقَد فَتَنَّا الَّذينَ مِن قَبلِهِم ۖ فَلَيَعلَمَنَّ اللَّهُ الَّذينَ صَدَقوا وَلَيَعلَمَنَّ الكاذِبينَAli UnalWe certainly tested those who preceded them. (This is Our unchanging way) so that God will certainly mark out those who prove true (in their profession of faith) and He will certainly mark out those who prove false.