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The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

你必須是自己幸福的最好判斷者。

"To travel is to discover that everyone is wrong about other countries."

We need to be vigilant about the security of the Internet.

經濟發展需要穩定的法治環境。

唯一真正的發現之旅不是去陌生的地方，而是擁有另一雙眼睛。