Things to worry and not worry about [Letter]

F. Scott Fitzgerald wrote a letter to his daughter Frances in August 1933, about the things to worry and not worry about.

All I believe in in life is the rewards for virtue (according to your talents) and the punishments for not fulfilling your duties, which are doubly costly. 

Things to worry about:  Worry about courage  Worry about cleanliness Worry about efficiency Worry about horsemanship…