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.

The American people...have a stake in non-conformity. For they know that the American genius is non-conformist.

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.

Our best people don't go into politics.

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.

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.

Its awfully hard to be the son of a great man and also of a half-crazy woman.