Contributor purpose and contribution at every level are important for success according to the principles outlined. The document then outlines the career journey of an individual, starting as a medical officer in 1990, obtaining opthamology admissions and qualifications through 1994, and working in various medical roles and hospitals over the following years, including starting a private hospital in 2008. It notes the importance of innovation at the start of one's career as well as maintaining quality results and treatment for patients, rather than simply focusing on earnings, in order to build a successful practice.