 In a letter of 1551 to his patron, the Cardinal of Lorraine, Ramus wrote that he had heard a rumor that he was considered to be an academicus, that is, an adherent of the Academic school or, in other words, a skeptic, who taught his students to doubt. Although Ramus firmly rejected this accusation, he had difficulties in clearing himself of the charge (Ramus, Collectaneae praefationes, epistolae, orationes, p. 327).