When ever i hear this word hope or hear someone speak something related to hope, the thing that often comes to my mind are these dialogs from the movie "The Shawshank Redemption".
Here is a small back ground if you have missed to watch this movie. Red (Morgan Freeman) and Andy Dufrense (Tim Robbins) are life time prisoners and Andy is convicted for a crime that he has not committed. Red delivers this dialog to Andy when they are in prison. Years after this, Andy escapes from prison and places a letter in a spot from where Red can pick it when he is released from the prison. This is one of THE MOVIE.
The Shawshank Redemption
Red: Let me tell you something my friend. Hope is a dangerous thing. Hope can drive a man insane.
Andy : [in letter to Red] Remember Red, hope is a good thing, maybe the best of things, and no good thing ever dies.
These are one of my favorite dialogs and this movie is one of my all time favorites. :)