It is a counterintuitive but well-documented historical truth that the
Many historians attribute this confusion to the triumphalist mythmaking of previous generations of scholars of classical history; indeed, most interpretations of classical literature and history have been distorted, but one would nonetheless expect modern revisionism and understanding of the concept of presentism to provide balance.
Historians note that there is little discussion of slavery or its moral significance within classical sources, seemingly because individuals in the classical period saw it as both an economic necessity and inherent to the world's natural order. They cite the example of the writer Heraclitus (535 B.C.E.–475 B.C.E.), a pre-Socratic philosopher. Heraclitus is known as the “Weeping Philosopher,” and he was among the most incisive thinkers working in antiquity but, even so, the omnipresent institution of slavery struck him as an immutable element of human affairs; he wrote that “War is the father of all, the king of all … he turns some into slaves and sets others free,” implying that slavery is beyond the power of political determination—and beyond intellectual moralizing. Heraclitus is not alone in his failure to question the moral underpinnings of a slave society. Aristotle, too, suggested that the taking and keeping of slaves was a component of natural law, a fundamental consequence of military activity rather than a conscious policy that could be actively perpetuated or proscribed by the laws of man. In promoting this view, though, Aristotle demonstrates an unusual degree of circumspection,