Κατʼ ἀρχὰς ἔγνων ἐκ τῶν μαρτυρίων σου, ὅτι εἰς τὸν αἰῶνα ἐθεμελίωσας αὐτά.

1. Κατʼ
   According to
2. ἀρχὰς
   beginnings
   offices, principles
3. ἔγνων
   i knew
4. ἐκ
   from
   out of
5. τῶν
   of the
6. μαρτυρίων
   testimonies
7. σου
   your
8.  
   ,
    
9. ὅτι
   that
   because
10. εἰς
    into
    to
11. τὸν
    the
12. αἰῶνα
    age
13. ἐθεμελίωσας
    founded
    you founded, you established
14. αὐτά
    them
15.  
    .
     

From the beginning I knew from your testimonies that you founded them forever.