Ὁ πλάσας κατὰ μόνας τὰς καρδίας αὐτῶν, ὁ συνιεὶς πάντα τὰ ἔργα αὐτῶν.

1. Ὁ
   The
2. πλάσας
   having formed
3. κατὰ
   according to
4. μόνας
   only
   monad, unit
5. τὰς
   the
6. καρδίας
   heart
7. αὐτῶν
   their
   of them
8.  
   ,
    
9. ὁ
   the
10. συνιεὶς
    you understand
    understanding
11. πάντα
    all
12. τὰ
    the
13. ἔργα
    works
14. αὐτῶν
    their
    of them
15.  
    .
     

The one who formed their hearts individually, the one who understands all their works.