The community which does not protect its humblest and most hated member in the free utterance of his opinions, no matter how false or hateful, is only a gang of slaves. If there is anything in the universe that can't stand discussion, let it crack.

Take the whole range of imaginative literature, and we are all wholesale borrowers. In every matter that relates to invention, to use, or beauty or form, we are borrowers.

On a single winged word hath hung the destiny of nations.

Revolutions never go backwards.

Eternal vigilance is the price of liberty; power is ever stealing from the many to the few.

Write on my gravestone: 'Infidel, Traitor.', infidel to every church that compromises with wrong; traitor to every government that oppresses the people.

Government began in tyranny and force, began in the feudalism of the soldier and bigotry of the priest; and the ideas of justice and humanity have been fighting their way, like a thunderstorm, against the organized selfishness of human nature.