I have made so many mistakes but I have learned a lot and I'm confident to say - he who never made a mistake never made any discovery.

-- Bernard Kelvin Clive 伯纳德·开尔文·克莱夫

我犯了很多错误，但我学到了很多，我有信心说——从不犯错的人永远不会有任何发现。

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