数学中最深刻的发现往往来自最简单的观察。
The most profound discoveries in mathematics often come from the simplest observations.
We will cease to be so angry once we cease to be so hopeful.
文学是民族的记忆，没有记忆就没有身份。
La literatura es el arte de la paciencia y el asombro.
力气单薄就不要去背负重物，说话没分量就不要规劝别人。
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.
The more you speak, the more likely you are to say something foolish.