Those who fear failure are destined not to succeed.
成功不是终点，失败也不是致命的：重要的是继续前进的勇气。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Natural experiments are a powerful tool for understanding causal relationships in the real world.
写作就是呼吸，就是生活，就是存在于自己创造的世界中。
"Poetry is the art of making the invisible visible."