Here are the key insights from The 7 Habits of Highly Effective People : 1. Sharpen the saw. Don’t work yourself to death. Strive for a sustainable lifestyle that affords you time to recuperate, recharge and be effective in the long-term. 2. Be proactive. You have a natural need to wield influence on the world around you so don’t spend your time just reacting to external events and circumstances. Take charge and assume responsibility for your life. 3. Begin with an end in mind. Don’t spend