统计学领域研究的是如何在不确定性面前做出决策。

The world is full of good people. If you can't find one, be one.

"I have always liked the phrase 'nursing a grudge,' because many people are tender of their resentments, as of the thing nearest their hearts."

世界上充满了显而易见的事情，但没有人会偶然观察到。