I see no reason why I should be consciously wrong today because I was unconsciously wrong yesterday.

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.

Particularly when the war power is invoked to do things to the liberties of people, or to their property or economy that only indirectly affect conduct of the war and do not relate to the engagement of the war itself, the constitutional basis should be scrutinized with care. ... I would not be willing to hold that war powers may be indefinitely prolonged merely by keeping legally alive a state of war that had in fact ended. I cannot accept the argument that war powers last as long as the effects and consequences of war for if so they are permanent -- as permanent as the war debts.

In our country are evangelists and zealots of many different political, economic and religious persuasions whose fanatical conviction is that all thought is divinely classified into two kinds - that which is their own and that which is false and dangerous.

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

It is not the function of government to keep the citizen from falling into error; it is the function of the citizen to keep the government from falling into error.

The price of freedom of religion or of speech or of the press is that we must put up with, and even pay for, a good deal of rubbish.