学习任何事情的最好方法就是去做。
There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.
In the world of cryptography, the only secure system is the one that is never connected to any network.
所有的事物都是因缘而生,当因缘消失时,事物也随之消失。
The chief prevention against getting old is to remain astonished.