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學習之道，沒有什么比能夠弄清事物的始末，來龍去脈更重要的。

Courage is the price that life exacts for granting peace.

做出偉大工作的唯一方法就是熱愛你所做的事情。

The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; he confuses it with feeling.