"The past is always tense, the future perfect."
学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。
我不觉得有义务相信,那位赋予我们感官、理性和智力的上帝,会希望我们放弃使用它们。
The most important political distinction among countries concerns not their form of government but their degree of government.
Leadership is about making tough decisions with compassion.