لَوۡلَا٘ اِذۡ سَمِعۡتُمُوۡهُ ظَنَّ الۡمُؤۡمِنُوۡنَ وَالۡمُؤۡمِنٰتُ بِاَنۡفُسِهِمۡ خَيۡرًاۙ وَّقَالُوۡا هٰذَا٘ اِفۡكٌ مُّبِيۡنٌ

Why, when you heard it, did not the believing men and believing women think good of one another and say, "This is an obvious falsehood