In his early studies, Leibniz was particularly interested in criticizing the Cartesian theory of the free creation of eternal truths. His most important works and theories have been critically compared to Descartes’s doctrine and master hypotheses. The present article is an attempt to analyze the philosophical reasons for his obsession, and concludes that such preoccupation was mostly due to Leibniz’s need to preserve an inherent moral order within the realm of divine essence.Já em seus primeiros estudos, Leibniz se interessou pela crítica da teoria cartesiana da livre criação das verdades eternas. Em todas as suas obras mais importantes, e em particular no Ensaios de Teodiceias, as ideias do filósofo alemão sempre foram comparadas criticam...