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命題是斷言某事是或不是事實的陳述。

The best way to predict the future is to create it.

Who can afford to do professional work for nothing?

Loneliness is not the absence of others, but the absence of oneself.

The true challenge in computer science is not just to build faster computers, but to develop smarter algorithms.

信仰和知識的最終基礎是對上帝的信心。

The leather industry must evolve or risk becoming obsolete. Our responsibility is to balance tradition with progress.