وَلَقَدۡ فَتَنَّا ٱلَّذِينَ مِن قَبۡلِهِمۡۖ فَلَيَعۡلَمَنَّ ٱللَّهُ ٱلَّذِينَ صَدَقُواْ وَلَيَعۡلَمَنَّ ٱلۡكَٰذِبِينَ
And indeed We already tempted the ones that were even before them, so indeed Allah definitely knows the ones who (act) sincerely, and indeed Allah definitely knows the liars
Author: Muhammad Mahmoud Ghali