Have you ever met someone who was "toxic?" Not every personality type is one that you should keep around.

Have you ever met someone who was "a little too happy?" Not every world-view will help you and I become successful people.

If you agree with Napoleon Hill when he says that our personalities and levels of personal growth are influenced by the people we do hang out with, don't we also have to agree there are certain types of people we should not hang out with?