Education should be a lifelong process, the formal period serving as a foundation on which life's structure may rest and rise.

In this court the parties changed positions as nimbly as if dancing a quadrille.

I cannot say that our country could have no secret police without becoming totalitarian, but I can say with great conviction that it cannot become totalitarian without a centralized national police.

When the Supreme Court moved to Washington in 1800, it was provided with no books, which probably accounts for the high quality of early opinions.

We can have intellectual individualism and the rich cultural diversities that we owe to exceptional minds only at the price of occasional eccentricity and abnormal attitudes. When they are so harmless to others or to the State as those we deal with here, the prices is not too great. But freedom to differ is not limited to things that do not matter much. That would be a mere shadow of freedom. The test of its substance is the right to differ as to things that touch the heart of the existing order.

Due process requires some definite link, some minimum connection, between a state and the person, property or transaction it seeks to tax.

Any court which undertakes by its legal processes to enforce civil liberties needs the support of an enlightened and vigorous public opinion which will be intelligent and discriminating as to what cases really are civil liberties cases and what questions really are involved in those cases.