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　　The great end of life is not knowledge but action. ----- Huxley

　　人生的伟大目的不在于知而在于行。-----赫胥黎

　　【世博精解】

　　knowledge:

　　1. understanding了解，理解例如：A baby has no knowledge of good and evil.小孩儿不解善恶。

　　2. all that a person knows familiarity gained by experience个人的知识，见闻例如：I have only a limited knowledge of computers.我的计算机知识是很有限的。

　　3. everything that is known, organized body of information学问，学识，知识例如：all branches of knowledge各门学问

　　knowledge常用的搭配如下：

　　be common/public knowledge人所共知

　　It’s pointless trying to keep your friendship secret----it’s common knowledge already.你们无所谓将友情保留---其实已尽人皆知了。

　　Come to somebody’s knowledge被某人熟悉

　　It has come to our knowledge that you have cheating the company.我们了解你一直欺骗公司。

　　这句格言，实际是告诉我们做事要实干，仅仅纸上谈兵是不够的。