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Quality is not an end in itself; it is a means to an end.

The worth of a psychological theory is measured by its usefulness.

Quality is more important than quantity. One home run is much better than two doubles.

一個好的抽象是強調重要細節并抑制不重要細節的抽象。

"The most dangerous thing is to assume you know what you're doing."

"El pasado es un país extranjero; allí hacen las cosas de otra manera."

我不是來討人喜歡的，我是來被愛的。