Productivity metrics that ignore environmental impact are accounting tricks, not real progress.

States are rational actors that seek to maximize their power and security in an anarchic international system.

我并不完美，但我每天都在努力专注于变得更好。

学习的唯一途径就是行动。你需要知道的一切，都已经通过你的旅程学会了。

The bond market is the ultimate reflection of market sentiment.

哲学问题的形式是：‘我不知道我该怎么做。’

移民可以对创新和生产力产生积极影响。