Natural experiments can provide valuable insights into economic questions.
The key to successful investing is to have a strong understanding of the fundamentals, a disciplined approach, a clear understanding of the market, a long-term perspective, and a clear understanding of the risks and rewards.
道德修养的最高境界，是认识到我们必须控制自己的思想。
Sustainability isn't a buzzword—it's the only way forward for global food security.
The world is a stage, and we are all merely players.
