Representation theory provides the language in which many number-theoretic phenomena can be expressed.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
解释:看见外表就可以知道内里,看见过去就可以知道未来。
语言中最具破坏性的一句话是:“我们一直都是这样做的。”
古老的方式像田野上的日落一样褪色,美丽但转瞬即逝。
The most dangerous phrase in business is: 'We've always done it this way.'