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Quality is never an accident; it is always the result of intelligent effort.

Never， never， never give in！

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

【譯文】知心的話只能說給知心人來聽，不是知心人就不要和他談。