The key to credible causal inference is not just the method, but how well the method fits the question at hand.

Every day is a new opportunity to grow and learn.

每个人都在寻找自己，即使他们不知道自己在寻找什么。

创新的关键在于思想的多样性。

Don't you just love New Year's? You can start all over. Everybody gets a second chance.

仲裁的成功不仅在于结果的公正性，还在于程序的效率和可预测性。