You've got to be able to act when it's necessary to act. And you've got to be able to act where the threat is.

You've got to be able to act when it's necessary to act. And you've got to be able to act where the threat is.

你必须能够在必要的时候采取行动。你必须能够在有威胁的地方采取行动。

-- George Robertson 罗伯逊