Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
True leadership is about inspiring others to achieve more than they thought possible.
Leadership is about making the tough decisions and standing by them.
每个数学问题都有一个解决方案;只是需要时间和努力去找到它。
永远不要低估微小改进的力量——它们会随着时间累积。
解释:狐狸疑心大,刚埋下东西,旋即又把它挖出来。