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I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.
统一自然界所有力的挑战是一个多世纪以来推动理论物理学发展的动力。
正确陈述的反面是错误陈述。但一个深刻真理的反面很可能是另一个深刻真理。