وَما مَنَعَ النّاسَ أَن يُؤمِنوا إِذ جاءَهُمُ الهُدىٰ إِلّا أَن قالوا أَبَعَثَ اللَّهُ بَشَرًا رَسولًا

What prevents people from believing when guidance has come to them, is their saying, “God sent a human as a messenger?”