This I Believe. Knowledge is power. A nation is no stronger than the educational system it supports. Sometimes we allow ourselves to be tricked by the notion that our material wealth is our strength. Then, in times like these, we come to realize that our real fortitude depends on how deep we mine the minds of men for courage and human understanding. Robert Arthur Evans is a football player, a star tackle for the University of Pennsylvania, but he is something else: son of a vegetable checker in a chain grocery store, and a product of Philadelphia schools, Bob Evans is an example of the richness in human resources which these United States possess. Here’s what he’s come to believe so far.