密码学的艺术是使破解系统的成本超过受保护信息的价值。
Success in business comes from understanding both the numbers and the people behind them.
艺术就是爱，爱就是艺术。
我不是一个喜欢平常的人。
The only limit to our realization of tomorrow is our doubts of today.
写作是为了留下痕迹，为了说：我曾在这里，我存在过。