3وَلَقَد فَتَنَّا الَّذينَ مِن قَبلِهِم ۖ فَلَيَعلَمَنَّ اللَّهُ الَّذينَ صَدَقوا وَلَيَعلَمَنَّ الكاذِبينَM. M. PickthallLo! We tested those who were before you. Thus Allah knoweth those who are sincere, and knoweth those who feign.