“损失厌恶”的概念在决策中起着关键作用，其中失去的痛苦在心理上是获得快乐的两倍。

It’s not about being able to do something, it’s about being able to do it well.

Development economics is ultimately about improving people's lives.

你今天感受到的痛苦将成为你明天感受到的力量。

Natural selection is cruel。