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文學是耐心與驚嘆的藝術。

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

最好的書是讓你改變的書。

我不是一個回頭看的人。我總是向前看。

"Every word knows something of a vicious circle."

In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.