The decision for complete religious freedom and for separation of church and state in the eyes of the rest of the world was perhaps the most important decision reached in the New World. Everywhere in the western world of the 18th century, church and state were one; and everywhere the state maintained an established church and tried to force conformity to its dogma.

The justification and the purpose of freedom of speech is not to indulge those who want to speak their minds. It is to prevent error and discover truth. There may be other ways of detecting error and discovering truth than that of free discussion, but so far we have not found them.

Freedom is not a luxury that we can indulge in when at last we have security and prosperity and enlightenment; it is, rather, antecedent to all of these, for without it we can have neither security nor prosperity nor enlightenment.

America was born of revolt, flourished in dissent, became great through experimentation.

Our best people don't go into politics.

Education is essential to change, for education creates both new wants and the ability to satisfy them.

We cannot have a society half slave and half free; nor can we have thought half slave and half free. If we create an atmosphere in which men fear to think independently, inquire fearlessly, express themselves freely, we will in the end create the kind of society in which men no longer care to think independently or to inquire fearlessly.