Portrait of Michel de Montaigne with classical philosophical texts and symbols
Michel de Montaigne – Philosophical Background

Montaigne on Custom: Philosophical Roots of a Timeless Essay

In 1580, Michel de Montaigne published his groundbreaking essays, among them a remarkable treatise on the power of custom and the danger of rashly changing established laws. Written against the backdrop of religious wars and political turmoil, this essay drew on a rich philosophical tradition stretching back to classical antiquity. The intellectual sources Montaigne wove together illuminate his unique position between ancient wisdom and early modern doubt — and offer enduring lessons for anyone who values tradition, reflection, and the careful balance between preservation and reform. Pyrrhonian Skepticism as Foundation Montaigne’s thinking about custom finds its deepest roots in the Greek skepticism of Pyrrho of Elis. This fourth-century BC philosopher taught that human judgments are always uncertain because our senses and reason constantly deceive us. Sextus Empiricus, who systematically recorded Pyrrhonian doctrine, emphasized that different peoples regard entirely different customs as self-evident. What was considered barbaric in Greece was honored in Persia. Montaigne owned and intensively studied a copy of Sextus Empiricus in the years leading up to the composition of his essays. The skeptical method of placing opposing customs side by side — without passing final judgment — permeates his essay on custom. He gathers examples from every corner […]

Open books and classical philosophy texts in a Renaissance tower library
Michel de Montaigne – Philosophical Background

Montaigne’s Philosophical Sources on Divination and Prophecy

Have you ever wondered why some people swear by horoscopes while others dismiss them without a second thought? That tension between belief in predictions and healthy skepticism is nothing new. In the sixteenth century, the French thinker Michel de Montaigne grappled with exactly the same questions — and he did so by drawing on a rich tradition of classical philosophy, from the Roman Stoics to the Greek skeptics. In this article, we explore the philosophical sources that fed Montaigne’s thinking when he wrote his famous essay on divination and prophecy. The Renaissance Humanist in His Tower Library Picture Montaigne in his celebrated tower study, surrounded by thousands of books lining the walls from floor to ceiling. Each volume bore his handwritten inscriptions and annotations. This was no mere decoration — it was a living dialogue with the past. As a true Renaissance humanist, Montaigne believed that the wisdom of the ancients remained profoundly relevant to his own age. He was no passive reader: he questioned, compared, and drew conclusions that often feel strikingly modern. The humanism of the Renaissance was characterized by a return to classical sources. Where medieval scholars had often worked through commentaries and summaries, the humanists read […]