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因果推斷的本質是超越數據，詢問如果我們干預會發生什么。

人人都稱贊的書，恰恰是沒人讀的書。

The only limit to our realization of tomorrow will be our doubts of today.

The paper industry has a rich history, but we must always look forward.

我相信兒童書籍應該是美麗的物品，值得珍藏和反復閱讀。

I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

You have to stand up and say, 'There's nothing wrong with me or my shape or who I am, you're the one with the problem!'