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The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.
数学的研究就像空气或重力——它无处不在,你看不到它,但你知道它在那里。
You have to be patient with yourself and trust the process.
我不是榜样,我是那些不相信榜样的人的榜样。
"The gladdest moment in human life, methinks, is a departure into unknown lands."