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对你帮助最大的书是那些让你思考最多的书。
"The books that help you most are those which make you think the most."
Mathematics is the art of giving the same name to different things.
Every book is a door that opens onto another world, and every reader is a traveler who steps through it.
如果战斗不可避免,先发制人。
"Memory is a complicated thing, a relative to truth, but not its twin."