因此，国家并非自古以来就存在。曾经有一些社会没有国家，对国家或国家权力毫无概念。在一定的经济发展阶段，这必然与社会分裂成阶级有关，国家变成了一种必要性。
The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.
唯一比被人谈论更糟糕的事情是没有人谈论你。
能源的未来在于平衡当今的需求与未来的责任。
If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.
Innovation is the eternal theme of enterprise development.
体育教育必须以发展完整的人为目标，而不仅仅是发展他的体力。
The best picture books work on different levels for different ages.
过去已成过去，但未来是一张白纸。
一个人知道自己为什么而活，就可以忍受任何一种生活。