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Mathematics is the art of giving the same name to different things.
一个人的计划与实践存在太大的落差即是疯狂的表现。
The quality of an organization's ethics determines the quality of its decisions.
The mining industry has a responsibility to leave communities better than we found them.
如果每一天都过得很充实而富有意义,世间的岁月和时间,算起来还是蛮长的呢,然而终日埋头苦干,匆匆忙忙走过的人,哪里有功夫停下来思考这些道理;天地很开阔,世界很大,而人们往往局限于自己的视野和格局,只停留在很狭小的范围里;风花雪月原本无意,而附庸风雅的人却在那里自寻烦恼。