I remember, as a child, after watching the movie "Back to the Future" I also wanted adults to return and give young people valuable instructions about what to do and how to almanac with the results of sports matches. And only when you are really grown up, you understand that you just need to give a list of literature of 20-30 books with the tag "to learn by hand" and good such puzzles with the words "Why are you, fool, wasting my life?