Wow, that's a lot of valuable lessons packed into one page.
1.) Littering is wrong.
2.) If everyone respected the rights of others, the world
would be a happier place to live in.
3.) Wherever you go, whatever you do, Superman is watching.
4.) Lock your bicycle if you don't want Superman to steal
it and dump it in a pile as a visual aid for a lecture to
some other kid on good citizenship.