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。
Risk more than others think is safe. Dream more than others think is practical.
绘画的乐趣在于自由创造不存在的世界。
Sometimes you have to be a little bit naughty.
越南人民深深热爱独立、自由与和平。但在面对美国的侵略时,他们团结一致奋起反抗。
The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.