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。

You can’t be afraid to fail. It’s the only way you succeed.

The state of your life is nothing more than a reflection of your state of mind.

In the quantum world, observing something changes it. This is not a limitation of our technology, but a fundamental property of nature.

每个人都必须有一个改变他们的想法，或一本书，或一个词，或一个时刻；如果没有，他们的生命就被浪费了。