"and live off the fattan , the land" Lennie shouted
someday we're gonna get the Jack together and get a little house too
No I couldn't do that.i had him for too long
Tell you what I will shoot him for you.
Now George is not gonna let me pet the rabbit.
Le's do it now Le's get that place now,,,
In the beginning of the book Lennie and George are sitting by the fire talking about each others dreams.They characterize as best-friends who have the same dream and is a symbol for the American dream.This shows that all people have dreams and we all dream of something in our own way.
George raised the Gun and shoots Lennie.
In chapter 3 Carlson tells Candy that he needs to get rid off the stinky dog he has, Carlson shoots Candy's dog .Candy's dream with his dog of getting a ranch with his best-friend ( the dog) are now ruined because Carlson shoots the dog.This represent that other people can ruined our dreams and it never works out for some people.
In Chapter 5 Lennie kills curley's wife and the puppy George told Lennie not to pet. This is the climax of the book, after Lennie kills curley's wife he knows that he's dreams of petting the rabbits is not gonna come true and now he's dreams are ruined. This tells us that somehow our dreams/plans get ruined.
In the last chapter George kills Lennie by the river. The death of Candy's dog foreshadows the death of Lennie this shows the beginning of the end of their dream. The best laid plans Of Mice and Man often go around meaning dreams sometimes cannot come true.