διὰ τοῦτο καὶ ὑμεῖς γίνεσθε ἕτοιμοι, ὅτι ᾗ ὥρᾳ οὐ δοκεῖτε ὁ υἱὸς τοῦ ἀνθρώπου ἔρχεται.

1. διὰ
   through
   because of
2. τοῦτο
   this
3. καὶ
   and
4. ὑμεῖς
   you
5. γίνεσθε
   become
   be
6. ἕτοιμοι
   ready
7.  
   ,
    
8. ὅτι
   that
   because
9. ᾗ
   the
   or
10. ὥρᾳ
    seasons
11. οὐ
    not
12. δοκεῖτε
    you think
    do you think
13. ὁ
    the
14. υἱὸς
    son
15. τοῦ
    of the
    the
16. ἀνθρώπου
    of man
    man
17. ἔρχεται
    comes
18.  
    .
     

Because of this, you also must be ready, because the Son of Man comes at an hour you do not expect.