How to Think Bigger: Aim Higher, Get More Motivated, and Accomplish Big Things

Have you ever wondered what separates people who think bigger from people who set their bar low? What makes one person accept low standards and another person to constantly raise them? Why does one person strive to build an international organization affecting the lives of millions of people, while another person is content working her entire life as a clerk? (Not that there’s anything wrong with being a clerk!)Why is one person challenging herself to run marathons, train her body and get fitter, while another is happy living a sedentary, unhealthy lifestyle?What drives a person who’ s optimizing every single aspect of her life and what causes another person to maintain the status quo?