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A man's real possession is his memory. In nothing else is he rich, in nothing else is he poor.
生命短暂,务必珍惜当下,这是亘古不变的真理。
你不能只是坐在那里等待生活来找你,你必须去争取它。
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.