A picture must be primarily about itself and not about something else.
一幅画首先必须关乎它自身，而不是其他东西。
一个人如果不讲信用，不知道他怎么能立身处世？就像牛车没有了輗，马车上没有了軏，还靠什么行走呢？
To understand the future of secure communication, one must first understand the limitations of current cryptographic methods.
Memory is like a phantom, or like a friend who betrays you.
沉默并不总是缺席；有时它是最响亮的存在。
预测未来的最好方法就是创造未来。