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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.
In business, you don't get what you deserve, you get what you negotiate.
The most valuable resource in agriculture is not the crop, but the people who grow it.
To understand behavior, look for the utility in it.