Every challenge is an opportunity to learn and grow.
学习不是强制性的...生存也不是。
现代密码学的挑战不仅是确保通信安全，而且要以既高效又可扩展的方式实现。
过去总是与我们同在，因为它滋养着现在。
Your time and space are limited. Remove， give away， throw out things in your life that don‘t spark joy any longer in order to make room for those that do.
