From the same mouth come blessing and cursing. (James 3:10)

Americans of all ages are on a physical fitness craze and many people are paying a great deal of attention to their waistlines. They worry endlessly about their weight and want their bodies to be just the right size. If your name is not Michael Jackson, it seems the fastest way to earn a fortune in this country is to write a new diet book. The next-fastest way is to open an aerobic dancing studio or an exercise club.

Today I speak about another part of the body which also must be physically fit: the tongue. It's a small thing, the tongue, a humble piece of anatomy which doesn't receive much attention. No one has figured out a way yet to make money off the tongue by selling health or beauty aids for it. It's just there. We exercise i…