一个国家制度的质量是其长期经济表现的最重要决定因素。
The quality of a country's institutions is the single most important determinant of its long-term economic performance.
Ring the bells that still can ring, forget your perfect offering. There is a crack in everything, that's how the light gets in.
The laws of physics are universal, and testing them in extreme environments like the galactic center is essential.
True wisdom lies in admitting one's ignorance.