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Innovation in cement production must balance efficiency with environmental responsibility.
我不明白为什么人们害怕新想法。我害怕的是旧的想法。
Voluntary actions are the result of apperception.
I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."
谁也不能剥夺我们对真理的追求。