以太网被设计成简单、廉价且能够处理广泛应用的网络。
True happiness arises, in the first place, from the enjoyment of one's self, and in the next, from the friendship and conversation of a few select companions.
统治者的首要职责是保护社会免受其他独立社会的暴力和侵略,只有通过军事力量才能实现这一职责。