Bad men, like good men, are entitled to be tried and sentenced in accordance with law, and when it is shown to us that a person is serving an illegal… - Hugo Black

Again, it is a new doctrine of constitutional law that one indicted for disobedience to an unconstitutional statute may not defend on the ground of the invalidity of the statute, but must obey it though he knows it is no law, and, after he has suffered the disgrace of conviction and lost his liberty by sentence, then, and not before, seek, from within prison walls, to test the validity of the law.

The 'establishment of religion' clause of the First Amendment means at least this: Neither a state nor the Federal Government can set up a church. Neither can pass laws which aid one religion, aid all religions or prefer one religion over another. Neither can force nor influence a person to go to or to remain away from church against his will or force him to profess a belief or disbelief in any religion. No person can be punished for entertaining or professing religious beliefs or disbeliefs, for church attendance or non-attendance. No tax in any amount, large or small, can be levied to support any religious activities or institutions, whatever they may be called, or whatever form they may adopt to teach or practice religion. Neither a state nor the Federal Government can, openly or secretly, participate in the affairs of any religious organizations or groups and vice versa. In the words of Jefferson, the clause against establishment of religion by law was intended to erect 'a wall of separation between Church and State'.

The word 'security' is a broad, vague generality whose contours should not be invoked to abrogate the fundamental law embodied in the First Amendment. The guarding of military and diplomatic secrets at the expense of informed representative government provides no real security … .