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历史是让死者开口说话的艺术。
人性既不是完全善良,也不是完全邪恶,而是两者兼有。
"In the silence between words, the truth often lies hidden."
Little else is requisite to carry a state to the highest degree of opulence from the lowest barbarism but peace, easy taxes, and a tolerable administration of justice.
The essence of mathematics lies in its freedom.