Ἐὰν δὲ μὴ θέλῃς εὔξασθαι, οὐκ ἔστιν ἐν σοὶ ἁμαρτία.

1. Ἐὰν
   If
2. δὲ
   but
   and
3. μὴ
   not
4. θέλῃς
   you want
   you are willing
5. εὔξασθαι
   to pray
6.  
   ,
    
7. οὐκ
   not
8. ἔστιν
   is
9. ἐν
   in
10. σοὶ
    to you
11. ἁμαρτία
    sin
12.  
    .
     

If you are not willing to pray, there is no sin in you.