Being recalled to Spain, he sailed in company with others under the protection of the Spanish fleet; but during the voyage the Spanish encountered the Dutch, and in the ensuing struggle, de Lugo, although he succeeded in saving his life, could not save the greater part of his commentary on the entire Summa of St. Thomas. He subsequently taught both philosophy and theology in Spain, was a censor of books, and theologian to the general of the Society of Jesus in Rome.
After being recalled to Spain, de Lugo sailed with others under Spanish protection; however, during the voyage, they encountered Dutch forces, resulting in a struggle. Despite surviving, de Lugo lost most of his commentary on St. Thomas' Summa. He then taught philosophy and theology in Spain, served as a book censor, and became the theologian for the Jesuit general in Rome.