Plato: Jim, do you think the end of the world will come at nighttime?
Jim: Uh, uh. At dawn.
  
  
  
  
  
   
  
  
Jim: Uh, uh. At dawn.
 Plato : Jim, do you think the end of the world will come at nighttime? 
 Jim : Uh, uh. At dawn. 
http://www.moviequotedb.com/movies/rebel-without-a-cause/quote_19558.html