Know when to stop talking

Today's DJ features a nice piece by Michael Masuda, titled The Smartest Thing I never Said, which begins:

Attorneys talk too much. Some lawyers will consider this heresy demanding a lengthy rebuttal. But we all know it's true. It's as if attorneys, like Charles Dickens, are paid by the word. .... I'm convinced the main causes of this verbosity are the yin and yang of our profession - overconfidence and insecurity. Each breeds loquaciousness.

Although not an appellate-related article on its face, its implications for oral argument are obvious: Advocates need to develop of skill of knowing when when to stop talking at sit down.