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图书馆的存在本身就提供了最好的证据,证明我们对人类的未来仍可抱有希望。
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.
你今天感受到的痛苦将成为你明天感受到的力量。