经济学家需要三种伟大的智力才能：感知、想象和理性；而最重要的是他需要想象力。
如果你掌握了所有事实，你的判断可能是正确的；如果你没有掌握所有事实，你的判断就不可能是正确的。
你不需要成为摇滚明星才能改变世界。
On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.
Life is not like cooking, where you can prepare all the ingredients before you start cooking.