But "what is every body's business is nobody's business." It follows that the public must appoint certain persons to look after such things.

By the act of appointing these persons, society becomes to that extent organized.

We see, then, that society organizes in order to provide certain public improvements, _to carry on certain public works_.
For his own preservation, man is endowed with another quality, namely, selfishness.

Sometimes this is so strong in a person as to cause him to disregard the rights of others.

By experience man has learned that _every_ person is interested in seeing that conflicting claims are settled on a better basis than that of the relative strength of the contestants.