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每一本书都是通向新世界、新视角、对生命和存在新理解的门。
Every book is a door to a new world, a new perspective, a new understanding of life and existence.
"The writer's duty is to disturb the peace, to unsettle the comfortable, and to comfort the unsettled."
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.