"The best stories are the ones that challenge you to think differently."

解决贫困的根本方法不是金钱，而是知识。

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

The world is full of obvious things which nobody by any chance ever observes.

在观察性研究中，我们常常不得不依赖于无法直接检验的假设。