In the end, we are all just stories. What matters is the story we choose to tell.
最终，我们都只是故事。重要的是我们选择讲述的故事。
世界是一切事实的总和。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
I'm not perfect, but I'm trying.
Where there is great love, there are always miracles.