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In mathematics, the art of proposing a question must be held of higher value than solving it.
有时,最危险的谎言是我们对自己说的那些。
"Understanding the limits of computation is as important as expanding its capabilities."
Teachers are the most important role models in schools, the most instructive examples, and the most vivid examples for students.
国家本质上是具有侵略性和扩张性的。