危机中往往隐藏着机遇，关键是如何把握。
Crises often hide opportunities, the key is how to seize them.
To make something good， just do it. To make something great， just re-do it， re-do it， re-do it. The secret to making fine things is in remaking them.
The causal approach is about understanding the mechanisms that generate the data.
解决贫困的根本方法不是金钱，而是知识。
The biggest regret in life is giving up what should not be given up easily, and stubbornly persisting in what should not be persisted.
"In every story, there is a hidden truth waiting to be uncovered."
所有人都存在危险。自由政府的唯一准则应该是不要信任任何拥有权力的人，以免危及公共自由。