一个设计良好的系统应该易于使用、易于理解和易于修改。

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

If you don't take risks, you'll always work for someone who does.

在土壤湿润的情况下耕种，不利于耕作，结果只能截然相反，连续数年都不会有好收成。

代数几何是研究多项式零点的学科。