历史不仅仅是关于过去，而是我们如何记住它。

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

君子的学习，一定要喜欢提问。提问和学习是相辅相成的。不学习就无法产生疑问，不提问就无法扩展知识。

Innovation is not an option, but a necessity for survival.