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The human understanding, when it has once adopted an opinion, draws all things else to support and agree with it.
拓扑学是对图形在任何变形下保持不变的性质的研究。
I paint people not because of what they are like, not exactly in spite of what they are like, but how they happen to be.
The historian is a prophet looking backwards.
具有坚定意志并能付诸实践的人,才是君子。