3وَلَقَد فَتَنَّا الَّذينَ مِن قَبلِهِم ۖ فَلَيَعلَمَنَّ اللَّهُ الَّذينَ صَدَقوا وَلَيَعلَمَنَّ الكاذِبينَSyed V. AhamedAnd We indeed, did test those who were before them, so that Allah will indeed know, those who are true and He will know those who are liars.