Ἀγαπητοί, ἀγαπῶμεν ἀλλήλους, ὅτι ἡ ἀγάπη ἐκ τοῦ Θεοῦ ἐστι, καὶ πᾶς ὁ ἀγαπῶν ἐκ τοῦ Θεοῦ γεγέννηται καὶ γινώσκει τὸν Θεόν.

1. Ἀγαπητοί
   Beloved
2.  
   ,
    
3. ἀγαπῶμεν
   we love
   we should love
4. ἀλλήλους
   one another
5.  
   ,
    
6. ὅτι
   that
   because
7. ἡ
   the
   or
8. ἀγάπη
   love
9. ἐκ
   from
   out of
10. τοῦ
    of the
    the
11. Θεοῦ
    God
12. ἐστι
    is
13.  
    ,
     
14. καὶ
    and
15. πᾶς
    all
    every
16. ὁ
    the
17. ἀγαπῶν
    loving
18. ἐκ
    from
    out of
19. τοῦ
    of the
    the
20. Θεοῦ
    God
21. γεγέννηται
    has been born
22. καὶ
    and
23. γινώσκει
    knows
24. τὸν
    the
25. Θεόν
    God
26.  
    .
     

Beloved, we should love one another, because love is from God, and everyone who loves has been born from God and knows God.