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。
Mistakes can be corrected by those who pay attention to facts but dogmatism will not be corrected by those who are wedded to a vision.
【释义】人总是旧友可贵，物总是新的好。
A pure hand needs no glove to cover it.
The true value of stone lies in how we transform it for human use.
The only constant in business is change.