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The only way to make sense out of change is to plunge into it, move with it, and join the dance.

恩澤中可能潛藏禍患，所以得意時要能盡早回頭；失敗后反而能夠成功，因此失意時千萬不要氣餒。

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

你媽媽那么抑郁是因為我。