Asking questions is an essential part of police investigation. In the ordinary sense a police officer is free to ask a person for identification without implicating the Fourth Amendment.

The Constitution exists precisely so that opinions and judgments, including esthetic and moral judgments about art and literature, can be formed, tested, and expressed. What the Constitution says is that these judgments are for the individual to make, not for the Government to decree, even with the mandate or approval of a majority. Technology expands the capacity to choose; and it denies the potential of this revolution if we assume the Government is best positioned to make these choices for us.

There's a time for debate and a time for consensus. There's a time for advocacy and time for first principles.

Democracy is something that you must learn each generation. It has to be taught.

We must never lose sight of the fact that the law has a moral foundation, and we must never fail to ask ourselves not only what the law is, but what the law should be.

The lessons of the First Amendment are as urgent in the modern world as the 18th Century when it was written. One timeless lesson is that if citizens are subjected to state-sponsored religious exercises, the State disavows its own duty to guard and respect that sphere of inviolable conscience and belief which is the mark of a free people.

The court decided, based on its reading of our precedents, that the effects test of Lemon is violated whenever government action creates an identification of the state with a religion, or with religion in general, ...or when the effect of the governmental action is to endorse one religion over another, or to endorse religion in general.