Etiquette requires us to admire the human race

Etiquette tip: More people will get out of your way if you say "I'm gonna puke!" than if you say "Excuse me".

Laws control the lesser man. Right conduct controls the greater.

By the etiquette of war, it is permitted to none below the rank of newspaper correspondent to dictate to the general in the field

No matter how well you know the rules of netiquette, you will eventually offend someone who doesn't.

The world was my oyster but I used the wrong fork - Oscar Wilde