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The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

"The advantage of poetry over life is that poetry, if it is sharp enough, may last."

決定性的十年：為什么你的二十歲很重要——以及如何充分利用它們。