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To do mathematics is to engage in an act of creation and discovery simultaneously.
人生苦短,你必须向前迈进。
Coal is not just a commodity, it's a commitment to America's future.
生活是世界上最罕见的事,大多数人只是存在而已。
人生中唯一真正的失败是不忠于自己所知的最好。
现在你们不是国人的勇士,怎么能既学好学业又学好射箭呢? 
The reason that the invisible hand often seems invisible is that it is often not there.
I'm a person who likes to be extraordinary.