A society grows great when old men plant trees whose shade they know they shall never sit in.
当老人们种下他们知道自己永远不会坐在其下的树时，社会就会变得伟大。
死者比我们更活生生，因为他们是完整的。
教师必须为形成较好人类而献出一切。
El arte es la expresión de los más profundos pensamientos por el más sencillo de los medios.
The greatest rewards come from working on something that nobody has a name for. If you possibly can， work where there are no words for what you do.
The quest for efficient algorithms is, at its core, a mathematical endeavor that challenges our understanding of complexity and computability.