Nature has placed mankind under the governance of two sovereign masters, pain and pleasure.
渔业技术必须首先服务于保护,其次才是利润。
艺术的功能不仅仅是如实反映现实,更是要想象可能的事物。
Ideals without action are just dreams.
The study of Galois representations is a journey into the hidden symmetries of mathematics.