To acquire knowledge, one must study; but to acquire wisdom, one must observe.

People who work crossword puzzles know that if they stop making progress, they should put the puzzle down for a while.

Be in the habit of getting up bright and early on the weekends. Why waste such precious time in bed?

Know what to do if you feel faint or dizzy, especially if you might fall and hit your head.

An act of justice closes the book on a misdeed; an act of vengeance writes one of its own

Know how to behave at a buffet. Take a clean plate for a second helping.

Many people feel they must multi-task because everybody else is multitasking, but this is partly because they are all interrupting each other so much.