Thomas J. DeLong, a professor at Harvard Business School, has noted a disturbing trend among his students and colleagues—a  “comparison obsession.” He writes:  “More so than ever before, . . . business executives, Wall Street analysts, lawyers, doctors, and other professionals are obsessed with comparing their own achievements against those of others. . . . This is bad for individuals and bad for companies—when you define success based on external rather than internal criteria, you diminish your satisfaction and commitment.”

Comparison obsession isn’t new. The Scriptures warn us of the dangers of comparing ourselves to others. When we do so, we…