I equate a lack of self-confidence with not trusting one's abilities. One of the best quotes I've ever heard in a movie was featured in the 2005 film "Coach Carter," starring Samuel L. Jackson: "Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. It is our light, not our darkness, that most frightens us." In case you haven't seen the movie, Samuel L. Jackson plays a high school basketball coach whose hired to reverse the team's dismal fortunes. When it turns out that most of the players are flunking their classes, Jackson's character imposes a lockout until the players demonstrate academic improvement. Against all odds, the players succeed, and the team goes on to win a championship. I'll be the first to admit that I don't trust my ability to do certain things. I've always been something of a bungling handyman, in part because my father, who's known to be great with ...