Maslow's Hierarchy of Needs Theory is a psychological theory proposed by psychologist Abraham Maslow in the 1950s. This theory suggests that human needs can be divided into five different levels， and each level of needs must be satisfied before one can move on to the next level. Here are the five levels of needs:
哈佛大学有一项历时78年的格兰特研究实验，目的是为了探究，什么样的人，最可能成为人生赢家?该实验从1938年开始，主要以一批人从青年到老去的一生为探究，在他们的经历和遭遇中，提取相关的信息，并分析活得最成功的人，到底有什么特点。
Debus， M. E. ， Sonnentag， S. ， Deutsch， W. ， & Nussbeck， F. W. . . Making flow happen: the effects of being recovered on work-related flow between and within days. Journal of Applied Psychology， 99 ， 713-722.
