What all other men are is of the greatest importance to me. However independent I may imagine myself to be, however far removed I may appear from mundane considerations by my social status, I am enslaved to the misery of the meanest member of society. The outcast is my daily menace. Whether I am Pope, Czar, Emperor, or even Prime Minister, I am always the creature of their circumstance, the conscious product of their ignorance, want and clamoring. They are in slavery, and I, the superior one, am enslaved in consequence.

Solidarity in Liberty: The Workers' Path to Freedom (1867)