"To be a spy is to live in a world of constant doubt and suspicion."

领导者的工作不是拥有所有答案，而是提出正确的问题。

身体记得头脑试图忘记的事。

The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.

世界不是模型，模型只是模型。