Note 379 — Chapter I · : SISMONDI AND THE ORIGINS OF THE CRITICAL SCHOOL

Études sur Économie politique, preface, p. v. Already in his first work, La Richesse commerciale, he had declared: “Political economy is based upon the study of man or of men. We must know human nature, the character and destiny of nations in different places and at different times. We must consult historians, question travellers, etc.… The philosophy of history … the study of travels, etc., are parallel studies.”