if they believe as you have believed then are they rightly guided but if they turn back then know that they are entrenched in hostility. god will surely suffice to defend you against them for he is all hearing all knowing.
فإن آمنوا بمثل ما آمنتم به فقد اهتدوا وإن تولوا فإنما هم في شقاق فسيكفيكهم الله وهو السميع العليم