"A book is a mirror: if a fool looks in, no sage can look out."

The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.

工资水平取决于工人所需的最低生活水平。

Diplomacy is about building bridges between different countries and cultures, promoting mutual understanding and cooperation.

When the last tree is cut, the last dollar will lose its meaning.

Success is not about how much money you make, but how many people you inspire.