现代密码学的挑战不仅在于保护信息，而且在于以一种既高效又可扩展的方式来实现。

建筑的本质是为人服务，而不是为资本服务。

Marxian Socialism must always remain a portent to the historians of Opinion — how a doctrine so illogical and so dull can have exercised so powerful and enduring an influence over the minds of men， and， through them， the events of history.

对正义的评估必须基于对实际社会与可行替代方案的某种比较。