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纯粹自然状态的条件...是每个人对每个人的战争状态。
The study of the early universe is not just about understanding the past, but also about uncovering the fundamental laws that govern all of reality.
Quality should never be compromised, no matter the cost pressures.
I don’t like to be weak. I like to be strong.
Mathematics is the foundation upon which all science is built.