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The essence of mathematics lies in its freedom.
行为不仅仅是对刺激的反应,而是由期望和目的引导的。
The truth is rarely pure and never simple.
The less I interfere, the better the painting becomes.
憎恨罪行,但要爱罪人。
A diploma is not necessarily can create a person, just as a prison may not be defeated every>