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。
The truth is, I don't know where my ideas come from. What I do know is that they come when I'm not trying to think of them.
爱是生命的能量。
在数学中，最简单的问题往往导致最深刻的发现。
The system produces needs faster than it can satisfy them, and thus it perpetuates itself.
Love will find a way through paths where wolves fear to prey.
A vida é a arte do encontro, embora haja tanto desencontro pela vida.