We are not final because we are infallible, but infallible only because we are final.

We can afford no liberties with liberty itself.

While the Nation has forbidden monopoly by one set of laws it has been creating them by another. Patent laws, valuable as they may be in some respects, often father monopoly.

The priceless heritage of our society is the unrestricted constitutional right of each member to think as he will. Thought control is a copyright of totalitarianism, and we have no claim to it.

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

The petitioner's problem is to avoid Scylla without being drawn into Charybdis.

To believe that patriotism will not flourish if patriotic ceremonies are voluntary and spontaneous instead of a compulsory routine is to make an unflattering estimate of the appeal of our institutions to free minds.