Spending waiting moments doing crossword puzzles or reading a book you brought yourself.

An error becomes a mistake when we refuse to admit it.

Be able to hiccup silently, or at least without alerting neighbors to your situation. The first hiccup is an exception.

...there are days when I feel I can do anything and days when I feel I can do nothing. But fortunately for those around me, neither sort occurs very often.

Know how and how much to tip people who expect gratuities, even in the case of poor service.

Know how to treat frostbite until you can get indoors.

Being defeated is often a temporary condition. Giving up is what makes it permanent.