Me pondering about where I am and what I have achieved: I don’t reach optimum contribution levels because I believe everything is important. Sounds familiar? In truth, only a few things are essential. To practice the skill of identifying those vital few, start by applying it to everyday decisions. When it’s second nature apply it to bigger things. Learn to say: ‘Thanks, But No Thanks.’ Many of us are reluctant to say no to others because we’re afraid of creating conflict. But we need to say no to nonessential activities in order to say yes to the most important things. The key is saying ‘no’ gracefully by rejecting the activity, but not the person. Think of a recent request that you agreed to, but that left you feeling resentful or taken advantage of. Why did you agree in the first place? … I’ve learned that if I...