وَلَو شاءَ رَبُّكَ لَآمَنَ مَن فِي الأَرضِ كُلُّهُم جَميعًا ۚ أَفَأَنتَ تُكرِهُ النّاسَ حَتّىٰ يَكونوا مُؤمِنينَ

And had your Lord willed, those on earth would have believed - all of them entirely. Then, [O Muhammad], would you compel the people in order that they become believers?