Honesty is a virtue, but not the only one. If you're in a courtroom you need the whole truth and nothing but the truth; in the living room, sometimes you need anything but. Often.

everyone old enough to have a secret is entitled to have some place to keep it.

Why bring children into a world where no one writes letters?

Manners require showing consideration of all human beings, not just the ones to whom one is close.

Email is very informal, a memo. But I find that not signing off or not having a salutation bothers me.

The dinner table is the center for the teaching and practicing not just of table manners but of conversation, consideration, tolerance, family feeling, and just about all the other accomplishments of polite society except the minuet.

Etiquette enables you to resolve conflict without just trading insults. Without etiquette, the irritations in modern life are so abrasive that you see people turning to the law to regulate everyday behavior. This frightens me; it's a major inroad on our basic freedoms.