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一个好的数学家是能看到定理之间类比的人;一个伟大的数学家是能看到类比之间的类比的人。
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
【译文】 孔子说:“君子有三件事要警戒:年轻时,血气还不成熟,要戒女色;年壮时,血气正旺盛,要戒争斗;年老时,血气已衰落,要戒贪婪。”
The only way to be happy is to love. To love intensely, so that the pain passes quickly.
You have to be willing to step out of your comfort zone to grow.
对付不自由世界的唯一方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。