Keep your temper. A decision made in anger is never sound.
Avoid sarcasm. Don't insist on the last word.
Take pride in your work at all times. Remember, respect for an umpire is created off the field as well as on.
Never charge a player and, above all, no pointing your finger or yelling.
I'd hate this to get out but I really like opera.
Baseball is probably the world's best documented sport.