"You can't eat your cake and have it, too"
A Griever is a creature that lives in the Maze and comes out mainly after dark (this is not always the case, they have sometimes been known to come out in the daytime). Its purpose is to harass and even kill the Gladers who venture into the Maze.
The proverb, "The cure for boredom is curiosity; there is no cure for curiosity." means that you will never be bored if you are curious because curiosity can never be taken away.
Sorry, it's only one sentence!! It's a start, though, and maybe it could help you to write the other 4 sentences.
Answer:
An image of people who are united in their joy.