τοῦ ποιῆσαι τὸ θέλημά σου ὁ Θεός μου ἠβουλήθην, καὶ τὸν νόμον σου ἐν μέσῳ τῆς καρδίας μου.

1. τοῦ
   of the
   the
2. ποιῆσαι
   to do
   to make
3. τὸ
   the
4. θέλημά
   will
5. σου
   your
6. ὁ
   the
7. Θεός
   God
8. μου
   my
9. ἠβουλήθην
   i wished
10.  
    ,
     
11. καὶ
    and
12. τὸν
    the
13. νόμον
    law
14. σου
    your
15. ἐν
    in
16. μέσῳ
    midst
17. τῆς
    of the
    the
18. καρδίας
    heart
19. μου
    my
20.  
    .
     

To do your will, O my God, I have desired, and your law is in the midst of my heart.