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数学中最激动人心的时刻是当你意识到两个看似不相关的领域有着深刻的联系时。
The past is a ghost that won’t stop haunting you.
I don't care about winning or losing, only about trying my best.
世俗的人以自身性命为性命,而君子以万物的性命为自身性命。