The best way to learn mathematics is to do mathematics.
学习数学的最好方法就是做数学。
You are somebody that I don't know, but you're taking shots at me like it's Patrón.
El escritor debe ser un testigo de su tiempo, pero también un creador de mundos.
In a world of rapid change, adaptability is the ultimate competitive advantage.
The concept of a legal system presupposes the concept of a rule.