Those who won our independence... valued liberty as an end and as a means. They believed liberty to be the secret of happiness and courage to be the secret of liberty.

Subtler and more far-reaching means of invading privacy have become available to the government. Discovery and invention have made it possible for the government, by means far more effective than stretching upon the rack, to obtain disclosure in court of what is whispered in the closet.

Those who won our independence believed that the final end of the state was to make men free to develop their faculties... They valued liberty both as an end and as a means. They believed liberty to be the secret of happiness and courage to be the secret of liberty... that public discussion is a political duty; and that this should be a fundamental principle of the American government.

It is one of the happy incidents of the federal system that a single courageous State may, if its citizens choose, serve as a laboratory; and try novel social and economic experiments without risk to the rest of the country.

In differentiation, not in uniformity, lies the path of progress.

The greatest dangers to liberty lurk in the insidious encroachment by men of zeal, well meaning but without understanding.

Anyone who critically analyzes a business learns this: that the success or failure of an enterprise depends usually upon one man.