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But so that I may be well understood, and my purpose rightly perceived, I would wish everyone to know this: I have now firmly proposed to myself to emit nothing further regarding the Prosperity of the Fatherland into the light in the future, fearing that in this way pearls may be thrown to swine, and bread belonging to children may be conceded to dogs; and in the meantime, no other commodity is acquired than has been done for them until now, whose revelation not only went away without fruit and utility, but was also received with the mockeries and jeers of evil men. Therefore, I have devised another method to still bestow a benefit of no small value upon the Fatherland before my death, with which it is brought about in this way.
First, I would wish it to be known to the whole World through this little work that I have brought it into my mind to demonstrate, during the course of this year, in my Public and Private Laboratory, to the highest and the lowest, the most useful and principal Secrets, of which I treated partly openly and partly obscurely in those four parts of the Prosperity of the Fatherland. For that purpose, the most powerful and most necessary requirements are already ready, and with the whole apparatus collected and prepared, the said Arcana, which are to affect the Fatherland with the greatest commodities, are demonstrated to the eye to the delegates of the principal Magnates, and other honest citizens and men of the Fatherland. Of these Arcana bringing the greatest utility, the following three are the principal ones.