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

別讓別人告訴你你成不了才，即使是我也不行。

Innovation in mining is not an option; it's a necessity for survival.

The beauty of computational theory lies in its ability to abstract and generalize, turning specific problems into universal solutions.

法律的目的不是廢除或限制，而是維護(hù)和擴(kuò)大自由。