King James Version
Now are we sure that thou knowest all things, and needest not that any man should ask thee: by this we believe that thou camest forth from God.English Standard Version
Now we know that you know all things and do not need anyone to question you; this is why we believe that you came from God."Catholic Public Domain Version
Now we know that you know all things, and that you have no need for anyone to question you. By this, we believe that you went forth from God.