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成功的最好方法是相信自己。

農民是我們經濟中唯一以零售價購買一切，以批發價出售一切，并支付雙向運費的人。

If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

科學是一項集體事業，每個世紀都為其添磚加瓦。