People are mostly shaped by their genes and their environment, but within those constraints, they have some freedom to choose their own path.

The most beautiful thing we can experience is the mysterious.

"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

历史研究不仅关乎过去，也关乎理解现在和塑造未来。

雇佣许多人去做一件复杂的事，往往是错误的。数量永远不如质量 (三个臭皮匠不一定比一个诸葛亮强)，人多降低效率，增加成本。