对所有生物的爱是人类最高尚的品质。
学习不是强制性的...生存也不是。
Anybody can make history. Only a great man can write it.
论证是一种颓废的意志
有一种鸟儿是永远也关不住的,因为它们的每片羽毛都闪烁着自由的光辉。
To do mathematics is to engage in an act of creation and discovery simultaneously.