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The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

我們都是自己猶豫的總和。

On new ideas: "There'll always be serendipity involved in discovery."

譯文：應該將親近好厭惡等情緒一并拋棄，才能成功地使用權謀之術。