True freedom is not about doing what you want, but about not doing what you don't want to do.

My parents taught me to never give up.

谷物生产的创新不仅关乎技术，更关乎思维方式的转变。

抽象的力量使数学能够超越物理现实的限制。

市场设计是一个持续的实验——今天有效的明天可能就需要调整。