The Grand Duke in this letter expresses his surprise that a book which had been laid before the supreme authorities at Rome by the author in person, had been carefully read there again and again, as well as afterwards at Florence, and at the author’s request had been altered as seemed good to the authorities, and had finally received the _imprimatur_ both there and here, should now after two years be considered suspicious and be prohibited. The astonishment of his Highness was the greater, because he knew that neither of the main opinions treated of were positively confirmed, but only the reasons for and against brought together; and this was done, as his Highness knew for certain, for the benefit of the Holy Church itself, in order that on subjects which in their nature are difficult to understand, those with whom the decision rests may see, with less expenditure of time and trouble, on which side the truth lies, and bring it into agreement with Holy Scripture. The Grand Duke was of opinion that this opposition must be directed rather against the person of the author than against his book, or this or that opinion, ancient or modern. In order, however, to convince himself of the merits or misdemeanours of his servant, his Highness desires that that which is granted in all disputes and before all tribunals should be permitted to him,—to defend himself against his accusers. The Grand Duke therefore urges that the accusations brought against the work, which have caused it to be prohibited, may be sent here for the author, who stands firmly on his innocence, to see them. He is so convinced that all this originates in the calumnies of envious and malicious persecutors, that he has offered his sovereign to leave the country and renounce his favour unless he can palpably prove how pious and sincere his sentiments on these subjects have always been and still are. The letter concludes with the commission, by the Grand Duke’s orders, to take the necessary steps towards the fulfilment of his most reasonable request.[284] On the same day on which this despatch went off, a mandate was issued from Rome, which not only confirmed the provisional prohibition of the “Dialogues,” but requested Landini to send all the copies in stock to Rome. He replied that all the copies had been delivered to the purchasers.