The world doesn't have to be like this. Things can be different.
I take nothing for granted. I now have only good days or great days.
Language is the house of being. In its home man dwells. Those who think and those who create with words are the guardians of this home.
人性本善,但罪恶的社会环境使人变坏了。
听我说,朋友,希望是件危险的事。希望能叫人发疯。
The best way to learn econometrics is by doing—working with real data and real problems.