我们都是碎片，不仅是自己的碎片，也是彼此的碎片。
We are all fragments, not only of ourselves but of each other.
A wise man proportions his belief to the evidence.
Leadership is about making tough decisions and standing by them, even when they are unpopular.
In science, the most important discoveries often come from paying attention to the unexpected.
The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.
The most successful modern states are those that have been able to harness the power of the market while maintaining a strong state capable of enforcing rules and providing public goods.