A mathematician's work is never done; there are always more problems to solve.
数学家的工作永无止境;总有更多的问题需要解决。
真正的成功不是打败别人,而是超越自己。
La novela es un espejo que refleja la sociedad, con todas sus luces y sombras.
The rules of art are not arbitrary; they are founded in reason and in the nature of things.