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ostentation. Therefore, I wished for this interpretation to go forth into the public under your name, my father: not so that I might satisfy you (for as Aristotle says, "one must pay back what is owed; but having done nothing worthy of the service, he has done nothing, so he is always in debt"), but so that this little work might be a monument and testimony of my devotion to you, not only among the men of our own age, but also as an eternal one among those to come. Accept, therefore, my father, with a fatherly spirit, that which your son offers to you; and rejoice that your sons have cultivated the most noble sciences from their very cradles in such a way that, if labor can achieve it, they may hold a place among learned men; if not, at least may their will and study extort praise even from the malicious and the unwilling. Farewell, Kalends of September, 1578.