Probable reason, I know not how it is, but I have observed it.
可能的原因,我不知道为什么,但我观察到了它。
理解世界的复杂性是我们走向智慧的关键。
表示论提供了表达许多数论现象的语言。
To die for one's country is such a worthy fate that all compete for so beautiful a death.