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。
ORDER. Let all your things have their places; let each part of your business have its time.
Light is the most important material in architecture.
我了解到失败只是过程的一部分，你不能让它打败你。