وَما لَكُم لا تُؤمِنونَ بِاللَّهِ ۙ وَالرَّسولُ يَدعوكُم لِتُؤمِنوا بِرَبِّكُم وَقَد أَخَذَ ميثاقَكُم إِن كُنتُم مُؤمِنينَ

And why do you not believe in Allah while the Messenger invites you to believe in your Lord and He has taken your covenant, if you should [truly] be believers?