The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.

最好的建筑既是普遍的，又是地方的。

The most successful modern states are those that have been able to harness the power of the market while maintaining a strong state that can provide public goods and regulate private activity.

我们不做市场调查。我们只做我们相信的东西。