ὅταν δὲ ἀκούσητε πολέμους καὶ ἀκοὰς πολέμων, μὴ θροεῖσθε· δεῖ γὰρ γενέσθαι, ἀλλ᾽ οὔπω τὸ τέλος.

1. ὅταν
   whenever
   when
2. δὲ
   but
   and
3. ἀκούσητε
   you hear
4. πολέμους
   wars
5. καὶ
   and
6. ἀκοὰς
   ears
   hearings
7. πολέμων
   wars
   of wars
8.  
   ,
    
9. μὴ
   not
10. θροεῖσθε
    be troubled
    be alarmed
11.  
    ·
     
12. δεῖ
    it is necessary
13. γὰρ
    for
14. γενέσθαι
    to become
15.  
    ,
     
16. ἀλλ᾽
    but
17. οὔπω
    not yet
18. τὸ
    the
19. τέλος
    end
20.  
    .
     

Whenever you hear of wars and rumors of wars, do not be troubled, for these things must happen, but the end is not yet.