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Profit is not the legitimate purpose of business. The legitimate purpose of business is to provide a product or service that people need and do it so well that it's profitable.
In coal, efficiency today defines existence tomorrow.
世间之事如同棋局般变化无常,人情则像纸一样淡薄。
To understand mathematics is to speak the language of the universe.
Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
你自己,就像整个宇宙中的任何人一样,值得你的爱和关怀。