For email, the old postcard rule applies. Nobody else is supposed to read your postcards, but you'd be a fool if you wrote anything private on one.

It has always puzzled me, in my business, that people think they have to answer questions, no matter how disagreeable or dangerous, just because they were asked. Of course, we journalists would be out of business if they didn't.

Should you happen to notice that another person is extremely tall or overweight, eats too much or declines convivial drinks, has red hair or goes about in a wheelchair, ought to get married or ought not to be pregnant -- see if you can refrain from bringing these astonishing observations to that person's attention.

Nowadays, we never allow ourselves the convenience of being temporarily unavailable, even to strangers. With telephone and beeper, people subject themselves to being instantly accessible to everyone at all times, and it is the person who refuses to be on call, rather than the importunate caller, who is considered rude.

Parents should conduct their arguments in quiet, respectful tones, but in a foreign language. You'd be surprised what an inducement that is to the education of children.

It is, indeed, a trial to maintain the virtue of humility when one can't help being right.

people, in forming their opinions of others, are usually lazy enough to go by whatever is most obvious or whatever chance remark they happen to hear. So the best policy is to dictate to others the opinion you want them to have of you.