在密码学的世界里，唯一安全的系统是永远不连接到任何网络的系统。
In the world of cryptography, the only secure system is the one that is never connected to any network.
The supreme question about a work of art is out of how deep a life does it spring.
The next generation will judge us by what we leave in the water, not what we take out.
The future of energy lies in the balance between traditional resources and renewable alternatives.
晏子春秋
你必须对自己的能力有信心，然后足够坚强地坚持到底。