从出生起，人类就肩负着重力的重担。他被固定在地球上。但人类只需沉入水面之下，就能获得自由。
I'm not perfect, but I pursue perfection.
The universe speaks in the language of mathematics, and we are its humble interpreters.
The best way to understand labor markets is to look at real-world data, not just theoretical models.
理解劳动力市场的最佳方式是观察现实数据，而不仅仅是理论模型。
I'm a human being and I fall in love and sometimes I don't have control of every situation.
Tradition is important, but evolution is necessary.
老年人相信一切，中年人怀疑一切，年轻人知道一切。
True scientific progress is achieved not by mere accumulation of facts, but by the continuous refinement of theories and models.