The history of mathematics is a history of human thought and progress.

男人被定义为人，而女人被定义为女性——每当她表现得像一个人时，她就被说成是在模仿男性。

The only person you should try to be better than is the person you were yesterday.

一本好书应该让你在读完时感到些许疲惫。在阅读时，你经历了多个生命。