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.
The study of life is the study of endless possibilities.
I don't care about the Grammys, I don't care about the fame.
The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.