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The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

數(shù)學的美只向更有耐心的追隨者展示。

"Imagination is the key to unlocking the world."

變得更好的唯一方法就是與最優(yōu)秀的人競爭。