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.
为明天做的最好准备就是今天做到最好。
"Memory is a tricky thing, it can be both a blessing and a curse."
美联储的工作就是在派对刚开始时把酒杯拿走。
可持续性不仅仅是一种趋势，更是我们对下一代的责任。
在软件设计中，我们应该追求简单和清晰，避免不必要的复杂性。
Art can connect the past and the future. 艺术可以连接过去与未来。