From these and similar authorities of eminent writers, the admiral was led to believe that he had formed a sound opinion on this subject; and he was much encouraged to undertake his proposed voyage of discovery by his contemporary Paul, physician to Signior Dominico of Florence. This Paul corresponded with Ferdinand Lopez, a canon of Lisbon, concerning the voyages which had been undertaken to Guinea in the reign of King Alphonzo of Portugal, and concerning future discoveries which might be made to the westwards. The admiral, who was always exceedingly ardent in inquiries on these topics, came to the knowledge of this correspondence; and soon afterwards, by means of Laurentio Girarde, a Florentine who then resided in Lisbon, entered into correspondence with Paul on this subject, acquainting him with his design, and sending him a small terrestrial globe. The communications from Paul on this subject are as follow:
"To Christopher Columbus, Paul the Physician wisheth health. I perceive the noble and earnest desire which you entertain to sail to those parts which produce spices; and therefore, in answer to your letter, I send you one which I wrote some time ago to a friend of mine, a servant to the king of Portugal, before the wars of Castile, in answer to one he had written to me by the order of his highness upon this same subject; and I send you a sea chart similar to the one I sent to him, which will satisfy your demands. The copy of that letter is this!"
"To Ferdinand Martinez, Paul the physician wisheth health.--I rejoice to learn the familiarity which you have with your most serene and magnificent king; and although I have often discoursed concerning the short way by sea from hence to the Indies where spice is produced, which I consider to be shorter than that you now take by the coast of Guinea; yet you now inform me that his highness requires me to explain and demonstrate this my opinion, so that it may be understood and reduced to practice. Therefore, though I could better shew it with a globe in my hand, so as to make him sensible of the figure and dimensions of the world; yet I have resolved to make it as easy and intelligible as possible by delineating this way upon a chart, such as is used in navigation. Wherefore I now send one to his majesty, drawn by my own hand; in which I have set down the utmost bounds of the west, from Ireland in the north to the farthest parts of Guinea, with all the islands that lie in the way: Opposite to which western coast, the beginning of the Indies is delineated, with the islands and places to which you may go, and how far you may bend from the north pole towards the equinoctial, and for how long a time; that is, how many leagues you must sail before you arrive at those places which are most fruitful in all sorts of spice, in jewels and precious stones.