密码学是关于在存在对手的情况下进行通信的。
音乐的美在于它无需言语就能唤起情感的能力。
In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.
可持续发展需要在创新和风险控制之间找到平衡。
The true value of a human being is determined primarily by the measure and the sense in which he has attained liberation from the self.
"The only limits in life are the ones you make."