Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.
对于企业而言,糟糕的运作加上混乱的管理,结果常常是一笔糊涂帐。
衣食是人们活着的时候所需要的利益,尚且要有一定的节制;埋葬是人们死后所需要的利益,为什么就单单在这里没有节制呢? 
The best way to predict the future is to create it.
Silence is argument carried out by other means.