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The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?
我能给任何人的最好建议是保持谦逊并努力工作。
The best thing a human being can do is to help another human being know more.
常识就是人到十八岁为止所累积的各种偏见。
只有通过掌握自己,才能使自己得到解放。