English Standard Version
But if all prophesy, and an unbeliever or outsider enters, he is convicted by all, he is called to account by all,New International Version
But if an unbeliever or someone who does not understand comes in while everybody is prophesying, he will be convinced by all that he is a sinner and will be judged by all,Catholic Public Domain Version
But if everyone prophesies, and one who is ignorant or unbelieving enters, he may be convinced by it all, because he understands it all