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Cryptography is about communication in the presence of adversaries.
密码学是关于在存在对手的情况下进行通信的。
Of all men's miseries the bitterest is this: to know so much and to have control over nothing.
The essence of life is statistical improbability on a colossal scale.
我们所知道的很少,而我们不知道的却是无限的。
Don't try to win a friend by presenting gifts。You should instead contribute your sincere love and learn how to win others 'heart through appropriate ways.