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釋義：用兵的方法，以攻破敵人心理防線為上策，攻破城池為下策。

The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.

The speech we hear is an indication of that which we don't hear.

只要符合自然法則，再奇妙的事情也可能是真實(shí)的。