If these reasons could so powerfully influence the devout minds of the so Catholic princes in that epoch, much more should they influence that of your Majesty in this, wherein they have not only the same but greater force, because of the many unexpected difficulties that have been encountered through the entrance of the rebels of Olanda into so many parts of the two Indias. Consequently, if the Filipinas be now deserted, not indeed for the sake of authority and reputation, but only for political convenience, the advantage that might result would be very doubtful, and the loss very evident. And although the effort is not at present made directly to have the islands abandoned, expedients are being or have been proposed from which one fears, not indeed the abandonment of them willingly, but what is worse, the loss of them unwillingly. Before proving that the measures which are beginning to be executed may conduce to that end, the reasons on which their conservation, importance, and necessity are today founded will be discussed; so that, what is advisable being understood with all clearness and certainty--since it is not expedient to add to their forces, as that is now impossible, nor to deprive them of what force they possess--the reader may draw as a conclusion that, if the weakening of the islands follow from the orders issued, and their loss be risked, those orders may either be corrected or suspended, or the most prudent decision in all respects may be adopted. Number 11. First reason of the importance of the islands: their discovery