The enclosure was a letter from the Prince of Orange to the Duke of Anjou, which, as it was pretended, had been intercepted. It was a clumsy forgery, but it answered the purpose of more skilful counterfeiting, at a period when political and religious enmity obscured men's judgment. "As to the point of religion," the Prince was made to observe, for example, to his illustrious correspondent, "that is all plain and clear. No sovereign who hopes to come to any great advancement ought to consider religion, or hold it in regard. Your Highness, by means of the garrisons, and fortresses, will be easily master of the principal cities in Flanders and Brabant, even if the citizens were opposed to you. Afterwards you will compel them without difficulty to any religion which may seem most conducive to the interests of your Highness." Odious and cynical as was the whole tone of the letter, it was extensively circulated. There were always natures base and brutal enough to accept the calumny and to make it current among kindred souls. It may be doubted whether Renneberg attached faith to the document; but it was natural that he should take a malicious satisfaction in spreading this libel against the man whose perpetual scorn he had so recently earned. Nothing was more common than such forgeries, and at that very moment a letter, executed with equal grossness, was passing from hand to hand, which purported to be from the Count himself to Parma. History has less interest in contradicting the calumnies against a man like Renneberg. The fictitious epistle of Orange, however, was so often republished, and the copies so carefully distributed, that the Prince had thought it important to add an express repudiation of its authorship, by way of appendix to his famous Apology. He took the occasion to say, that if a particle of proof could be brought that he had written the letter, or any letter resembling it, he would forthwith leave the Netherlands, never to show his face there again.