Only through focus—hour by hour, day by day, year by year, for several years or decades—concentrating all your attention on one point and diligently doing one thing well can you accumulate professional knowledge and skills. Only professionalism is most conducive to creating exceptional products and services, making money; it is also the key to breaking through frontiers, gaining fame and fortune, and achieving success; it can also enable you to contribute your maximum value to others and society, and get rich.