Courage in monetary policy is not the absence of fear but the judgment that something else is more important than fear.

The existence of a legal system presupposes the existence of a rule of recognition.

When you innovate, you've got to be prepared for everyone telling you you're nuts.

煤炭推动了我们的过去，但我们必须诚实地面对它在未来中的作用。

公司的文化是由领导者的行动定义的，而不仅仅是其使命宣言。