The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.
To love is to see the invisible and to believe in the impossible.
Memory is a trickster, always rewriting the past.
Great companies don't just adapt to change; they anticipate and drive it.
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。