νῦν οἴδαμεν ὅτι οἶδας πάντα καὶ οὐ χρείαν ἔχεις ἵνα τίς σε ἐρωτᾷ. ἐν τούτῳ πιστεύομεν ὅτι ἀπὸ Θεοῦ ἐξῆλθες.

1. νῦν
   now
2. οἴδαμεν
   we know
3. ὅτι
   that
   because
4. οἶδας
   you know
   know
5. πάντα
   all
6. καὶ
   and
7. οὐ
   not
8. χρείαν
   need
9. ἔχεις
   you have
10. ἵνα
    so that
11. τίς
    someone
    who
12. σε
    you
13. ἐρωτᾷ
    love
14.  
    .
     
15. ἐν
    in
16. τούτῳ
    this
17. πιστεύομεν
    we believe
18. ὅτι
    that
    because
19. ἀπὸ
    from
20. Θεοῦ
    God
21. ἐξῆλθες
    you went out
22.  
    .
     

Now we know that you know all things and you have no need that anyone should question you. In this we believe that you came out from God.