The first man who， having fenced in a piece of land， said 'This is mine，' and found people naïve enough to believe him， that man was the true founder of civil society.

淌自己的汗，吃自己的饭，自己的事情自己干；靠天、靠地、靠父母，不算是好汉。人只有靠自己的力量，才能得以生存，不依靠自己，就将无法生存。

"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

"Science is not just a collection of facts, but a way of thinking."

我们是主人,公仆是仆人。

To forget is to betray; to remember is to resist.