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自然权利...是每个人按照自己的意愿,为了保全自己的本性,即自己的生命,而使用自己的力量的自由。
"The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter."
The best ideas often come from listening—to farmers, scientists, and families.
The best way to predict the future is to invent it.