While you're writing, you can't concentrate nearly as well on what the speaker is saying.

The chess player who develops the ability to play two dozen boards at a time will benefit from learning to compress his or her analysis into less time.

A good leader needs to stand behind his or her followers as often as he or she needs to stand in front of them.

Be able to draw an illustration as least well enough to get your point across to another person.

Know how and how much to tip people who expect gratuities, even in the case of poor service.

Know how to effectively voice a complaint or make a claim at a retail store.

Know how to drive safely when it's raining or when it's snowing. The two conditions are different.