This will give a new meaning to the word "unenforceable".

"[T]here are two types of laws: just and unjust. I would be the first to advocate obeying just laws. One has not only a legal but a moral responsibility to obey just laws. Conversely, one has a moral responsibility to disobey unjust laws."
-Most highest, grandest, exalted, shiny and exalted Sheikh Doctor Martin Luther King Jr.