我是个幸存者。我就像蟑螂，你就是摆脱不了我。

Customer needs always come first; everything else is secondary.

We don't need perfect knowledge to take sensible actions.

The quality of a country's institutions is the single most important determinant of its long-term economic performance.

密码学中的挑战不仅仅是创建不可破解的代码，还包括创建即使技术发展也能保持安全的系统。