Method for the Easy Comprehension of History

The Methodus argues that history should be studied as a systematic science, not as rhetoric or moral exempla. Bodin teaches a critical method: evaluate sources by the author's qualifications, position relative to the events, and freedom from bias; organize observations into commonplaces; and compare the legal and constitutional frameworks of all known states to derive 'universal law' . The Six Books then deploys this comparative method to produce a theory of sovereignty. The Methodus contains hints of the absolutist direction Bodin would take, but its constitutionalism is still limited — a monarchy tempered by checks, not yet absolute sovereignty .

Bodin establishes three criteria for judging a historian: the author's personal qualifications, their position relative to the events described, and their freedom from bias . He praises Polybius above all for having traveled widely, participated in the events he recorded, and written about another state rather than his own — conditions that increased his reliability . Bodin harshly criticizes contemporaries like Paul Jovius, who remained in the Vatican for decades yet claimed to write history. The principle is that distance and direct experience, not eloquence, establish credibility.

Bodin divides the world into three climatic zones — cold, hot, and mild — each producing distinct national characters. Northern peoples are warlike and simple; southern peoples are wily and weak; the middle region, where France conveniently lies, produces a balanced temperament . This environmental determinism is part of Bodin's larger project of explaining historical development systematically. But it also reveals a tension: despite his methodological warnings against uncritical sources, Bodin accepted traditional Greco-Roman stereotypes about Carthaginians as archetypes of southern cunning, showing how even a critical method can be undermined by inherited prejudices .

Bodin himself supervised a revised and expanded edition in 1572, the second and last edition he directly oversaw . The changes are significant for understanding his intellectual trajectory. Scholars have compared the 1566 and 1572 variants to trace Bodin's movement from a youthful constitutionalism — the idea of a monarchy limited by checks and balances — toward the absolute sovereignty theory he would formulate in 1576 . This suggests that Bodin's turn toward absolutism was already underway before the St. Bartholomew's Day Massacre of 1572, driven by theoretical concerns about coherence rather than purely by political trauma .

The most common misconception treats the Methodus as a work of source criticism alone. While source evaluation is a major theme, the work's larger purpose is constructive: to establish history as a methodological science that yields practical political knowledge . Bodin intended it as a guide for the politician, showing how to extract useful lessons from history . The final chapter is an extensive bibliography of historical sources organized by genre — the bibliographic counterpart to the methodological chapters . The work is not merely about how to read history but about what history is for.

The Methodus belongs to the Renaissance genre of artes historicae and was studied at Cambridge and London by the late 1570s . It saw multiple editions and translations, shaping the development of critical historiography and comparative constitutional analysis. Its influence on Bodin's own Six Books is direct: the comparative method of reading histories to derive universal law is the foundation on which the sovereignty theory is built . Modern scholars recognize the Methodus as Bodin's first major work and a crucial document for understanding the evolution of his political thought .