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

知识的最大敌人不是无知，而是知识的幻觉。

债券市场是市场信心的最终反映。

The climate system is extraordinarily complex, and our understanding of it is still evolving.

抽象不仅仅是隐藏细节；它是关于创建问题域的清晰简洁的模型。