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The price of getting what you want is getting what you once wanted.

我是一個喜歡特別的人。

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.

好的計量經濟學就像好的木工——關鍵在于為工作使用正確的工具。

不要害怕失敗，要害怕不去嘗試。