"Things to worry about: Worry about courage Worry about cleanliness Worry about efficiency Worry about horsemanship Things not to worry about: Don't worry about popular opinion Don't worry about dolls Don't worry about the past Don't worry about the future Don't worry about growing up Don't worry about anybody getting ahead of you Don't worry about triumph Don't worry about failure unless it comes through your own fault Don't worry about mosquitoes Don't worry about flies Don't worry about insects in general Don't worry about parents Don't worry about boys Don't worry about disappointments Don't worry about pleasures Don't worry about satisfactions Things to think about: What am I really aiming at? How good am I really in comparison to my contemporaries in regard to: (a) Scholarship (b) Do I really understand about people and am I able to get along with them? (c) Am I trying to make my body a useful instrument or am I neglecting it?