Natural experiments can provide valuable insights into economic questions.

Your value doesn't decrease based on someone's inability to see your worth.

创新不仅仅是创造新事物，而是带来改变。

"The only way to deal with the world is to laugh at it."

The writer must be a smuggler of truths, a clandestine agent of freedom.

The best way to measure your investing success is not by whether you're beating the market but by whether you've put in place a financial plan and a behavioral discipline that are likely to get you where you want to go.

凡事天下要考察有无的原则,必定是以众人的耳目所见所闻的实情以知有与无来作为标准的。