Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
我越是研究自然，就越对造物主的工作感到惊叹。
The greatest art is that which makes the invisible visible.
The best stories are the ones that leave you with more questions than answers.
在科学的探索中，我们不仅要问“为什么”，还要问“为什么不”。
预测未来的最好方式就是去创造未来。
