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证明的严谨性将数学与所有其他科学区分开来。
I'm grateful for every challenge because it made me stronger.
The character of a building is determined by the way it is used, not by its appearance.
We try to buy stocks that are undervalued, and then we wait for the market to recognize their value.
在一粒沙中看到一个世界,在一朵野花中看到一个天堂,将无限握在掌心,将永恒握在一小时中。