so if they argue with you say i have submitted myself to allah and those who follow me. and say to those who were given the scripture and the unlearned have you submitted yourselves? and if they submit they are rightly guided but if they turn away then upon you is only the notification. and allah is seeing of servants.
فإن حاجوك فقل أسلمت وجهي لله ومن اتبعن وقل للذين أوتوا الكتاب والأميين أأسلمتم فإن أسلموا فقد اهتدوا وإن تولوا فإنما عليك البلاغ والله بصير بالعباد