The best way to learn econometrics is by doing—working with real data and real problems.
语言的研究最终是对人类心灵的研究。
贪图未必成功的事业，不如坚守已成的事业。
You put together two people who have not been put together before; and sometimes the world is changed, sometimes not. They may crash and burn, or they may ignite and light up the sky.
Children are not just miniature adults; they have their own way of seeing and understanding the world.
Architecture is not about solving problems, but about creating relationships.
