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advantages as heretofore, Such as are Cunning and Ambitious will never rest untill they have found new ones in their stead; so that the Respublica Artium, will be so much the more advanced.

3. Schollers and such as love to Ratiocinate will have more and better Matter to exercise their wits upon, whereas now they pusle and tire themselves, about meer Words and Chymaericall Notions.

4. They will Reason with more alacrity, when they shall not only get honour by shewing their Abilities, but profit likewise by the Invention of Fructiferous Arts.

5. Sophistry shall not be in such esteem as heretofore, when even Sence shall be able to unmask its vanity, and distinguish it from Truth.

6 Men seeing what Arts are already invented, shall not neede to puslle themselves to reinvent the same againe.

7. All Men in generall that have wherewithall will be venturing at our Vellus Aureum, by making of Experiments: and whether thereby they thrive or no (the Directions in the Preface being followed) they shall neverthelesse more and more discover Nature.

8. Nay all Nations sensible of this Auri Sacra fames, will engage in this hopefull businesse; and then certainly Many hands will make light work in the said businesse of discovering Nature.

9. All Ingenious Men and Lovers of Reall Knowledge, have along time begged this work, wherefore it can be no small honour to him that shall satisfie them.

10. A vast increase of honourable, profitable, and pleasant Inventions must needs spring from the work, when one Man (as the Compiler thereof) may uno intuitu, see and comprehend all the Labour and Wit of our Ancestors, and be thereby able to supply the defects of one Trade with the perfections of another.

11. We see that all Countries where Manufactures and Trades flourish, as Holland, &c. become potent and rich.

For