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成功来自于知道你已尽力成为你能成为的最好的人。
Success comes from knowing that you did your best to become the best that you are capable of becoming.
Theorems are eternal; their proofs are ephemeral.
在别人家住的太久了,人就变得不再尊贵,来往太频繁了,亲密的程度就会下降。
Sustainable forestry isn't a cost—it's an investment in our future.