"Education is the most powerful weapon which you can use to change the world."

原文英文：The most merciful thing in the world， I think， is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity， and it was not meant that we should voyage far.

采石场不仅仅是一个坑，它是我们留给后代的遗产。

记忆是个棘手的东西，它既可以是祝福也可以是诅咒。

Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.