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The primary rules of obligation are those that require or forbid certain actions.
我是个流行谜团。我生活和呼吸着创造力。
The psychologist must describe, not explain.
识别你的问题,但把你的力量和能量投入到解决方案中。
"The only way to get rid of a temptation is to yield to it."
The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.