The magnitude of an action may change not only the strength of its impact, but the direction. If you became a dentist, for example, you would certainly be an asset to our society. But what if everyone became a dentist? Who would bake the bread? Who would build the houses?

Although spoken English doesn't obey the rules of written language, a person who doesn't know the rules thoroughly is at a great disadvantage.

Be able to describe anything visual, such as a street scene, in words that convey your meaning.

Know what happens when an individual declares bankruptcy and how it affects his or her life.

When you're in a good mood, bring up the past. When you're in a bad mood, stick to the present. And when you're not feeling emotional at all, it's time to talk about the future.

Avoid using cigarettes, alcohol, and drugs as alternatives to being an interesting person.

Be able to confide your innermost secrets to your mother and your innermost fears to your father.