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To understand mathematics is to understand the fabric of reality.
夏天的飞鸟,飞到我窗前唱歌,又飞去了。秋天的黄叶,他们没有什麽可唱的,只是叹息一声,飞落在那里。
In the end, we will remember not the words of our enemies, but the silence of our friends.
Never underestimate the power of a single breakthrough to change millions of lives.