"Wise is the one who learns from another´s mistakes. Less wise is the one who learns only from his own mistakes. The fool keeps making the same mistakes again and again and never learns from them."

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I do assure you, Sir, that I have no pretension whatever of that kind of elegance which consists in tormenting a respectable man. I would rather be paid the compliment of being believed sincere. I thank you again and again for the honour you have done me in your proposals, but to accept them is absolutely impossible. My feelings in every respect forbid it. Can I speak plainer? Do not consider me now as an elegant female intending to plague you, but as a rational creature speaking the truth from her heart.

— Jane Austen