理解密码学的关键在于理解它不仅仅是关于保守秘密，而是关于管理信任。

The best architecture is the one that disappears, leaving only the experience.

真相并不总是最重要的；有时重要的是人们相信什么是真的。

In business, as in life, you have to take calculated risks.

金钱使一切复杂化。