Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
A company's values are its compass in times of uncertainty.
发展必须被视为一个多维度的过程，涉及社会结构、民众态度和国家制度的重大变革。
That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.