知行合一不仅是一个理论问题,也是一个实践问题。
没有什么比独立和自由更宝贵的了。
不是知识,而是学习的行为;不是占有,而是到达的过程,才能带来最大的快乐。
When you have a good crop, the farmer is happy, his wife is happy, the children are happy, the animals are happy, and the land is happy.
The best way to learn econometrics is by doing—working with real data and real problems.