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The existence of life is ephemeral, so cherishing the present moment is crucial.
真正的发现之旅不在于寻找新的风景,而在于拥有新的眼光。
The only thing more dangerous than ignorance is arrogance.
Coal’s future depends on our ability to make it cleaner and more efficient.
No matter how good you get, you can always get better, and that's the exciting part.
A mathematical truth is universal and eternal.