It is at the point of our strengths rather than our weaknesses that we are most vulnerable. Our strengths can create even greater monsters than our weaknesses.

In downtown Detroit, an entire side of the CadillacTower building bears the muscular image of Barry Sanders, the NFL's leading rusher and Detroit Lions running back #20. The only way you know who is responsible for this massive, looming work of people's art, this icon to a sports god, is by one symbol in the upper right-hand corner: a swoosh (Nike)!

Professional athletes make their livelihood off their Herculean bodies and physical abilities. Yet those very bodies are finally an athlete's downfall. Tendonitis and arthritis slow down a pitcher's arm. Torn ligaments and floating cartilage cripple a running back's knees. Tennis elbow…