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向使无君,人各得自私也,人各得自利也。
如果没有君主,人们各自可以自私自利。
The human spirit is stronger than anything that can happen to it.
The role of the infinitely small in nature is infinitely large.
The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.
Mathematics is not just a human invention; it has a deep reality that exists independently of us.