寻找互反律是数学史上的一个基本主题。
The search for reciprocity laws is a fundamental theme in the history of mathematics.
When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.
There are some things so serious you have to laugh at them.
The time is always right to do what is right.
成为仆人的欲望已经深入我的骨髓、血液和皮肤。