抽象的力量在于它允许我们忽略不相关的细节，专注于问题的本质方面。

In economics, small changes in rules can lead to large changes in outcomes.

The most profound discoveries often come from the simplest observations.

I think children are the best critics because they're completely honest.

你读得越多，知道的事情就越多。你学得越多，去的地方就越多。