Know the difference between principles based on right or wrong vs. principles based on personal gain, and consider the basis of your own principles.

An ounce of sequins can be worth a pound of home cooking.

Be in the habit of experimenting with your clothing so that you don't get stuck for life with a self-image developed over the course of high school.

Know the official post office abbreviations for all 50 states without having to consult a list.

Be in the habit of getting up bright and early on the weekends. Why waste such precious time in bed?

Know how your representatives stand on major national or state issues.

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.