"No, Lennie. Look down there acrost the river, like you can almost see the place
Firstly Lennie and George arrive in the woods to eat their supper. Lennie tells George the he likes his beans with ketchup. George gets mad because they do not have ketchup and Lennie keeps making it a point to let George know he wants ketchup. George quickly gets over the fact that George is being an annoyance to him because he is used to it. The theme here would be don't let the little things get to you.
Chapter 16: Pg. 106
Next after they have arrived at there destination, the bosses son, Curly, comes looking for trouble and Lennie and Curly get into a fight. Lennie never wanted any trouble but Curly starts with anyone he can. So Curly starts the fight and and Lennie doesn't want to fight back but Geaorge tells Lennie to get him and fight back. Lennie ends up crushing Curly's hand and he has to go to the hospital. A central message for this scene could be that drastic measures cause drastic results.
Curly's wife sashays into Lennie's bunk and starts to be very flirtatious with him. Lennie is very easily taken down by his temptations, He loves soft things. Curly's wife asks Lennie to feel her hair. He does and starts to man handle this very fragile lady. Lennie can't resist or stop himself. He ends up breaking her neck and killing her. Temptations can be dangerous.
Lastly, George finds Lennie at their original spot in the woods because lennie is hiding from everyone because he kills Curly's wife. George has to make the heart wrenching decision of killing Lennie for the better of everyone including himself and Lennie. The theme that best represents this scene is that sometimes it hurts to do the things that are for the better.