One has not only a legal but a moral responsibility to obey just laws. Conversely, one has a moral responsibility to disobey unjust laws. I would agree with St. Augustine that ' an unjust law is no law at all.
Martin Luther King, Jr.Of course, there is nothing new about this kind of civil disobedience. It was seen sublimely in the refusal of Shadrach, Meshach and Abednego to obey the laws of Nebuchadnezzar because a higher moral law was involved. It was practiced superbly by the early Christians who were willing to face hungry lions and the excruciating pain of chopping blocks, before submitting to certain unjust laws of the Roman empire.
Martin Luther King, Jr.