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 for the products of others, who, like himself, must find those who can, will or must exchange upon the open market. The law of supply and demand of commodities sets itself up in the affairs of men.

Next to the discovery of the use of fire, the institution of private property has probably had the most effect upon the progress of mankind. The individual, thrust again upon his own resources; every incentive to "get ahead," to accumulate a supply against the rainy day or old age when he may no longer be productive, held before him, suffers a revival of every base and cruel primitive instinct. Terrorized by his lone and defenseless condition, he plunges into a struggle through which only the craftiest and most cruel may survive. The most cowardly descend to the meanest depths and emerge with the greatest loot of worldly possessions.

In private property man has found an incentive for the noblest works and justification for the most devilish acts that history records. It is the producer of paradoxes—the parent of inconsistencies. It is a god—creating good and evil.

HUMAN SLAVERY

Owing to the structure of his hand, man is a tool using animals—no other animal can seize upon things as man does—and this development of his hand enabled him to do so many things that were not possible to the other tree dwellers—so widened the range of his experiences—that he rapidly grew away from them. His power to grasp and use a club made him dangerous to the other beasts and he boldly descended to the ground where he soon learned to walk upright. His erect posture tended to deepen the cranial cavity and made room for the enlargement of the brain; while his curiosity and disposition to experiment led him into experiences that strengthened his mental reactions and developed the complexity of his nervous organization.

No avenue of approach to primitive man gives us a