Authors:

...the statement, "The purpose of the law is to cause justice to reign," is not a rigorously accurate statement. It ought to be stated that the purpose of the law is to prevent injustice from reigning. In fact, it is injustice, instead of justice, that has an existence of its own. Justice is achieved only when injustice is absent.

Frederic Bastiat (2006). “The Law”, p.23, Cosimo, Inc.
...the statement, The purpose of the law is to cause justice to reign, is not a rigorously accurate statement. It ought to be stated that the purpose of the law is to prevent injustice from reigning. In fact, it is