When invention is active, when industry, commerce and transportation bring about new forms of human relations and when community relations change because of the extension of ethical and moral ideas, the law is able to keep pace with the variety and subtlety of social change. … Old” new law may sometimes give way to “new” new law.

Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide …, loc. 1311