قُل أَرَأَيتُم إِن كانَ مِن عِندِ اللَّهِ ثُمَّ كَفَرتُم بِهِ مَن أَضَلُّ مِمَّن هُوَ في شِقاقٍ بَعيدٍ

Say, "Have you considered: if the Qur'an is from Allah and you disbelieved in it, who would be more astray than one who is in extreme dissension?"