In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.
在我们推理关于事实的过程中，有各种可能的确证程度，从最高的确定性到最低级别的道德证据。
Swim upstream. Go the other way. Ignore the conventional wisdom.
测量的精确性不仅仅是技术问题，更是拓展人类知识边界的关键。
Fortune favors the prepared mind.
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。