Yet there are what we may call culminating epochs, in which the accumulating tendencies of the past, reaching a certain point, suddenly effect a visible transformation which seems to turn the world in a new direction.

• 历史事件的年代顺序，过去一度曾认为非常重要，但是时至今日，已经意义寥寥，除了有时候在做历史回顾时，需要找一个方便的时间参照体系。